diff --git a/cogl-texture.h b/cogl-texture.h index 117a12b14..3ca0d8137 100644 --- a/cogl-texture.h +++ b/cogl-texture.h @@ -148,7 +148,7 @@ gboolean cogl_is_texture (CoglHandle handle); /** * cogl_texture_get_width: * @handle: a #CoglHandle for a texture. - * + * * Query the width of a cogl texture. * * Returns: the width of the GPU side texture in pixels: @@ -158,7 +158,7 @@ guint cogl_texture_get_width (CoglHandle handle); /** * cogl_texture_get_height: * @handle: a #CoglHandle for a texture. - * + * * Query the height of a cogl texture. * * Returns: the height of the GPU side texture in pixels: @@ -168,7 +168,7 @@ guint cogl_texture_get_height (CoglHandle handle); /** * cogl_texture_get_format: * @handle: a #CoglHandle for a texture. - * + * * Query the #CoglPixelFormat of a cogl texture. * * Returns: the #CoglPixelFormat of the GPU side texture. @@ -179,7 +179,7 @@ CoglPixelFormat cogl_texture_get_format (CoglHandle handle); /** * cogl_texture_get_rowstride: * @handle: a #CoglHandle for a texture. - * + * * Query the rowstride of a cogl texture. * * Returns: the offset in bytes between each consequetive row of pixels. @@ -189,7 +189,7 @@ guint cogl_texture_get_rowstride (CoglHandle handle); /** * cogl_texture_get_max_waste: * @handle: a #CoglHandle for a texture. - * + * * Query the maximum wasted (unused) pixels in one dimension of a GPU side * texture. * @@ -200,7 +200,7 @@ gint cogl_texture_get_max_waste (CoglHandle handle); /** * cogl_texture_get_min_filter: * @handle: a #CoglHandle for a texture. - * + * * Query the currently set downscaling filter for a cogl texture. * * Returns: the current downscaling filter for a cogl texture. @@ -210,7 +210,7 @@ COGLenum cogl_texture_get_min_filter (CoglHandle handle); /** * cogl_texture_get_mag_filter: * @handle: a #CoglHandle for a texture. - * + * * Query the currently set downscaling filter for a cogl texture. * * Returns: the current downscaling filter for a cogl texture. @@ -220,7 +220,7 @@ COGLenum cogl_texture_get_mag_filter (CoglHandle handle); /** * cogl_texture_is_sliced: * @handle: a #CoglHandle for a texture. - * + * * Query if a texture is sliced (stored as multiple GPU side tecture * objects). * @@ -235,7 +235,7 @@ gboolean cogl_texture_is_sliced (CoglHandle handle); * @out_gl_handle: pointer to return location for the textures GL handle, or * NULL. * @out_gl_target: pointer to return location for the GL target type, or NULL. - * + * * Query the GL handles for a GPU side texture through it's #CoglHandle, * if the texture is spliced the data for the first sub texture will be * queried. @@ -255,7 +255,7 @@ gboolean cogl_texture_get_gl_texture (CoglHandle handle, * specified. * @data: memory location to write contents of buffer, or %NULL if we're * only querying the data size through the return value. - * + * * Copy the pixel data from a cogl texture to system memory. * * Returns: the size of the texture data in bytes (or 0 if the texture @@ -271,7 +271,7 @@ gint cogl_texture_get_data (CoglHandle handle, * @handle: a #CoglHandle. * @min_filter: the filter used when scaling the texture down. * @mag_filter: the filter used when magnifying the texture. - * + * * Changes the decimation and interpolation filters used when the texture is * drawn at other scales than 100%. */ @@ -297,7 +297,7 @@ void cogl_texture_set_filters (CoglHandle handle, * @data: the actual pixel data. * * Sets the pixels in a rectangular subregion of @handle from an in-memory - * buffer containing pixel data. + * buffer containing pixel data. * * Returns: %TRUE if the subregion upload was successful, otherwise %FALSE. */ @@ -385,6 +385,29 @@ void cogl_texture_polygon (CoglHandle handle, CoglTextureVertex *vertices, gboolean use_color); +/** + * cogl_texture_multiple_rectangles: + * @handle: a @CoglHandle. + * @verts: an array of vertices + * @n_rects: number of rectangles to draw + * + * Draws a series of rectangles in the same way that + * cogl_texture_rectangle() does. In some situations it can give a + * significant performance boost to use this function rather than + * calling cogl_texture_rectangle() separately for each rectangle. + * + * @verts should point to an array of #CoglFixeds with + * @n_rects * 8 elements. Each group of 8 values corresponds to the + * parameters x1, y1, x2, y2, tx1, ty1, tx2 and ty2 and have the same + * meaning as in cogl_texture_rectangle(). + * + * Since: 1.0 + */ +void cogl_texture_multiple_rectangles + (CoglHandle handle, + const CoglFixed *verts, + guint n_rects); + G_END_DECLS #endif /* __COGL_TEXTURE_H__ */ diff --git a/doc/reference/cogl/cogl-sections.txt b/doc/reference/cogl/cogl-sections.txt index 03247ff3c..dcd7c933f 100644 --- a/doc/reference/cogl/cogl-sections.txt +++ b/doc/reference/cogl/cogl-sections.txt @@ -120,6 +120,7 @@ cogl_texture_set_region cogl_texture_ref cogl_texture_unref cogl_texture_rectangle +cogl_texture_multiple_rectangles cogl_texture_polygon diff --git a/gl/cogl-context.c b/gl/cogl-context.c index d75086fbc..e2421f4ff 100644 --- a/gl/cogl-context.c +++ b/gl/cogl-context.c @@ -41,27 +41,29 @@ cogl_create_context () { if (_context != NULL) return FALSE; - + /* Allocate context memory */ _context = (CoglContext*) g_malloc (sizeof (CoglContext)); - + /* Init default values */ _context->feature_flags = 0; _context->features_cached = FALSE; - + _context->enable_flags = 0; _context->color_alpha = 255; - + _context->path_nodes = g_array_new (FALSE, FALSE, sizeof (CoglPathNode)); _context->last_path = 0; - + _context->texture_handles = NULL; - _context->texture_vertices_size = 0; - _context->texture_vertices = NULL; - + _context->texture_vertices = g_array_new (FALSE, FALSE, + sizeof (CoglTextureGLVertex)); + _context->texture_indices = g_array_new (FALSE, FALSE, + sizeof (GLushort)); + _context->fbo_handles = NULL; _context->draw_buffer = COGL_WINDOW_BUFFER; - + _context->blend_src_factor = CGL_SRC_ALPHA; _context->blend_dst_factor = CGL_ONE_MINUS_SRC_ALPHA; @@ -70,7 +72,7 @@ cogl_create_context () _context->program_handles = NULL; _context->mesh_handles = NULL; - + _context->pf_glGenRenderbuffersEXT = NULL; _context->pf_glBindRenderbufferEXT = NULL; _context->pf_glRenderbufferStorageEXT = NULL; @@ -82,7 +84,7 @@ cogl_create_context () _context->pf_glDeleteFramebuffersEXT = NULL; _context->pf_glBlitFramebufferEXT = NULL; _context->pf_glRenderbufferStorageMultisampleEXT = NULL; - + _context->pf_glCreateProgramObjectARB = NULL; _context->pf_glCreateShaderObjectARB = NULL; _context->pf_glShaderSourceARB = NULL; @@ -115,7 +117,7 @@ cogl_create_context () _context->pf_glUniformMatrix4fvARB = NULL; _context->pf_glDrawRangeElements = NULL; - + /* Init OpenGL state */ GE( glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE) ); GE( glColorMask (TRUE, TRUE, TRUE, FALSE) ); @@ -124,7 +126,7 @@ cogl_create_context () /* Initialise the clip stack */ _cogl_clip_stack_state_init (); - + return TRUE; } @@ -147,7 +149,12 @@ cogl_destroy_context () g_array_free (_context->shader_handles, TRUE); if (_context->program_handles) g_array_free (_context->program_handles, TRUE); - + + if (_context->texture_vertices) + g_array_free (_context->texture_vertices, TRUE); + if (_context->texture_indices) + g_array_free (_context->texture_indices, TRUE); + g_free (_context); } @@ -157,6 +164,6 @@ _cogl_context_get_default () /* Create if doesn't exist yet */ if (_context == NULL) cogl_create_context (); - + return _context; } diff --git a/gl/cogl-context.h b/gl/cogl-context.h index 8a2fc877d..d49330763 100644 --- a/gl/cogl-context.h +++ b/gl/cogl-context.h @@ -41,7 +41,7 @@ typedef struct /* Features cache */ CoglFeatureFlags feature_flags; gboolean features_cached; - + /* Enable cache */ gulong enable_flags; guint8 color_alpha; @@ -49,7 +49,7 @@ typedef struct COGLenum blend_dst_factor; gboolean enable_backface_culling; - + /* Primitives */ CoglFixedVec2 path_start; CoglFixedVec2 path_pen; @@ -60,12 +60,18 @@ typedef struct /* Cache of inverse projection matrix */ GLfloat inverse_projection[16]; - + /* Textures */ GArray *texture_handles; - CoglTextureGLVertex *texture_vertices; - gulong texture_vertices_size; - + GArray *texture_vertices; + GArray *texture_indices; + /* The gl texture number that the above vertices apply to. This to + detect when a different slice is encountered so that the vertices + can be flushed */ + GLuint texture_current; + GLenum texture_target; + GLenum texture_wrap_mode; + /* Framebuffer objects */ GArray *fbo_handles; CoglBufferTarget draw_buffer; @@ -78,10 +84,10 @@ typedef struct /* Clip stack */ CoglClipStackState clip; - + /* Mesh */ GArray *mesh_handles; - + /* Relying on glext.h to define these */ COGL_PFNGLGENRENDERBUFFERSEXTPROC pf_glGenRenderbuffersEXT; COGL_PFNGLDELETERENDERBUFFERSEXTPROC pf_glDeleteRenderbuffersEXT; @@ -95,7 +101,7 @@ typedef struct COGL_PFNGLDELETEFRAMEBUFFERSEXTPROC pf_glDeleteFramebuffersEXT; COGL_PFNGLBLITFRAMEBUFFEREXTPROC pf_glBlitFramebufferEXT; COGL_PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC pf_glRenderbufferStorageMultisampleEXT; - + COGL_PFNGLCREATEPROGRAMOBJECTARBPROC pf_glCreateProgramObjectARB; COGL_PFNGLCREATESHADEROBJECTARBPROC pf_glCreateShaderObjectARB; COGL_PFNGLSHADERSOURCEARBPROC pf_glShaderSourceARB; @@ -151,6 +157,6 @@ _cogl_context_get_default (); CoglContext *ctxvar = _cogl_context_get_default (); \ if (ctxvar == NULL) return retval; -#define NO_RETVAL +#define NO_RETVAL #endif /* __COGL_CONTEXT_H */ diff --git a/gl/cogl-texture.c b/gl/cogl-texture.c index 5a202ae6b..a27a8b253 100644 --- a/gl/cogl-texture.c +++ b/gl/cogl-texture.c @@ -76,7 +76,7 @@ _cogl_texture_bitmap_free (CoglTexture *tex) { if (tex->bitmap.data != NULL && tex->bitmap_owner) g_free (tex->bitmap.data); - + tex->bitmap.data = NULL; tex->bitmap_owner = FALSE; } @@ -87,7 +87,7 @@ _cogl_texture_bitmap_swap (CoglTexture *tex, { if (tex->bitmap.data != NULL && tex->bitmap_owner) g_free (tex->bitmap.data); - + tex->bitmap = *new_bitmap; tex->bitmap_owner = TRUE; } @@ -99,11 +99,11 @@ _cogl_span_iter_update (CoglSpanIter *iter) iter->span = &g_array_index (iter->array, CoglTexSliceSpan, iter->index); - + /* Offset next position by span size */ iter->next_pos = iter->pos + COGL_FIXED_FROM_INT (iter->span->size - iter->span->waste); - + /* Check if span intersects the area to cover */ if (iter->next_pos <= iter->cover_start || iter->pos >= iter->cover_end) @@ -112,15 +112,15 @@ _cogl_span_iter_update (CoglSpanIter *iter) iter->intersects = FALSE; return; } - + iter->intersects = TRUE; - + /* Clip start position to coverage area */ if (iter->pos < iter->cover_start) iter->intersect_start = iter->cover_start; else iter->intersect_start = iter->pos; - + /* Clip end position to coverage area */ if (iter->next_pos > iter->cover_end) iter->intersect_end = iter->cover_end; @@ -143,7 +143,7 @@ _cogl_span_iter_begin (CoglSpanIter *iter, iter->cover_start = cover_start; iter->cover_end = cover_end; iter->pos = iter->origin; - + /* Update intersection */ _cogl_span_iter_update (iter); } @@ -153,10 +153,10 @@ _cogl_span_iter_next (CoglSpanIter *iter) { /* Move current position */ iter->pos = iter->next_pos; - + /* Pick next slice (wrap when last reached) */ iter->index = (iter->index + 1) % iter->array->len; - + /* Update intersection */ _cogl_span_iter_update (iter); } @@ -175,10 +175,10 @@ prep_for_gl_pixels_upload (gint pixels_rowstride, gint pixels_bpp) { GE( glPixelStorei (GL_UNPACK_ROW_LENGTH, pixels_rowstride / pixels_bpp) ); - + GE( glPixelStorei (GL_UNPACK_SKIP_PIXELS, pixels_src_x) ); GE( glPixelStorei (GL_UNPACK_SKIP_ROWS, pixels_src_y) ); - + if (!(pixels_rowstride & 0x7)) GE( glPixelStorei (GL_UNPACK_ALIGNMENT, 8) ); else if (!(pixels_rowstride & 0x3)) @@ -240,7 +240,7 @@ _cogl_texture_upload_to_gl (CoglTexture *tex) gint bpp; gint x,y; guchar *waste_buf; - + bpp = _cogl_get_format_bpp (tex->bitmap.format); waste_buf = _cogl_texture_allocate_waste_buffer (tex); @@ -249,22 +249,22 @@ _cogl_texture_upload_to_gl (CoglTexture *tex) for (y = 0; y < tex->slice_y_spans->len; ++y) { y_span = &g_array_index (tex->slice_y_spans, CoglTexSliceSpan, y); - + /* Iterate horizontal slices */ for (x = 0; x < tex->slice_x_spans->len; ++x) { x_span = &g_array_index (tex->slice_x_spans, CoglTexSliceSpan, x); - + /* Pick the gl texture object handle */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, y * tex->slice_x_spans->len + x); - + /* Setup gl alignment to match rowstride and top-left corner */ prep_for_gl_pixels_upload (tex->bitmap.rowstride, x_span->start, y_span->start, bpp); - + /* Upload new image data */ GE( glBindTexture (tex->gl_target, gl_handle) ); @@ -364,27 +364,27 @@ _cogl_texture_download_from_gl (CoglTexture *tex, gint bpp; gint x,y; CoglBitmap slice_bmp; - + bpp = _cogl_get_format_bpp (target_bmp->format); - + /* Iterate vertical slices */ for (y = 0; y < tex->slice_y_spans->len; ++y) { y_span = &g_array_index (tex->slice_y_spans, CoglTexSliceSpan, y); - + /* Iterate horizontal slices */ for (x = 0; x < tex->slice_x_spans->len; ++x) { /*if (x != 0 || y != 1) continue;*/ x_span = &g_array_index (tex->slice_x_spans, CoglTexSliceSpan, x); - + /* Pick the gl texture object handle */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, y * tex->slice_x_spans->len + x); - + /* If there's any waste we need to copy manually (no glGetTexSubImage) */ - + if (y_span->waste != 0 || x_span->waste != 0) { /* Setup temp bitmap for slice subregion */ @@ -394,19 +394,19 @@ _cogl_texture_download_from_gl (CoglTexture *tex, slice_bmp.rowstride = bpp * slice_bmp.width; slice_bmp.data = (guchar*) g_malloc (slice_bmp.rowstride * slice_bmp.height); - + /* Setup gl alignment to 0,0 top-left corner */ prep_for_gl_pixels_download (slice_bmp.rowstride); - + /* Download slice image data into temp bmp */ GE( glBindTexture (tex->gl_target, gl_handle) ); - + GE (glGetTexImage (tex->gl_target, 0, /* level */ target_gl_format, target_gl_type, slice_bmp.data) ); - + /* Copy portion of slice from temp to target bmp */ _cogl_bitmap_copy_subregion (&slice_bmp, target_bmp, @@ -425,10 +425,10 @@ _cogl_texture_download_from_gl (CoglTexture *tex, + y_span->start * target_bmp->rowstride; prep_for_gl_pixels_download (target_bmp->rowstride); - + /* Download slice image data */ GE( glBindTexture (tex->gl_target, gl_handle) ); - + GE( glGetTexImage (tex->gl_target, 0, /* level */ target_gl_format, @@ -437,7 +437,7 @@ _cogl_texture_download_from_gl (CoglTexture *tex, } } } - + return TRUE; } @@ -463,7 +463,7 @@ _cogl_texture_upload_subregion_to_gl (CoglTexture *tex, gint inter_w = 0, inter_h = 0; gint local_x = 0, local_y = 0; guchar *waste_buf; - + bpp = _cogl_get_format_bpp (source_bmp->format); waste_buf = _cogl_texture_allocate_waste_buffer (tex); @@ -473,9 +473,9 @@ _cogl_texture_upload_subregion_to_gl (CoglTexture *tex, _cogl_span_iter_begin (&y_iter, tex->slice_y_spans, 0, COGL_FIXED_FROM_INT (dst_y), COGL_FIXED_FROM_INT (dst_y + height)); - + !_cogl_span_iter_end (&y_iter); - + _cogl_span_iter_next (&y_iter), source_y += inter_h ) { @@ -494,9 +494,9 @@ _cogl_texture_upload_subregion_to_gl (CoglTexture *tex, _cogl_span_iter_begin (&x_iter, tex->slice_x_spans, 0, COGL_FIXED_FROM_INT (dst_x), COGL_FIXED_FROM_INT (dst_x + width)); - + !_cogl_span_iter_end (&x_iter); - + _cogl_span_iter_next (&x_iter), source_x += inter_w ) { @@ -515,27 +515,27 @@ _cogl_texture_upload_subregion_to_gl (CoglTexture *tex, x_iter.intersect_start); inter_h = COGL_FIXED_TO_INT (y_iter.intersect_end - y_iter.intersect_start); - + /* Localize intersection top-left corner to slice*/ local_x = COGL_FIXED_TO_INT (x_iter.intersect_start - x_iter.pos); local_y = COGL_FIXED_TO_INT (y_iter.intersect_start - y_iter.pos); - + /* Pick slice GL handle */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, y_iter.index * tex->slice_x_spans->len + x_iter.index); - + /* Setup gl alignment to match rowstride and top-left corner */ prep_for_gl_pixels_upload (source_bmp->rowstride, source_x, source_y, bpp); - + /* Upload new image data */ GE( glBindTexture (tex->gl_target, gl_handle) ); - + GE( glTexSubImage2D (tex->gl_target, 0, local_x, local_y, inter_w, inter_h, @@ -657,12 +657,12 @@ _cogl_rect_slices_for_size (gint size_to_fill, { gint n_spans = 0; CoglTexSliceSpan span; - + /* Init first slice span */ span.start = 0; span.size = max_span_size; span.waste = 0; - + /* Repeat until whole area covered */ while (size_to_fill >= span.size) { @@ -672,7 +672,7 @@ _cogl_rect_slices_for_size (gint size_to_fill, size_to_fill -= span.size; n_spans++; } - + /* Add one last smaller slice span */ if (size_to_fill > 0) { @@ -680,7 +680,7 @@ _cogl_rect_slices_for_size (gint size_to_fill, if (out_spans) g_array_append_val (out_spans, span); n_spans++; } - + return n_spans; } @@ -692,15 +692,15 @@ _cogl_pot_slices_for_size (gint size_to_fill, { gint n_spans = 0; CoglTexSliceSpan span; - + /* Init first slice span */ span.start = 0; span.size = max_span_size; span.waste = 0; - + /* Fix invalid max_waste */ if (max_waste < 0) max_waste = 0; - + while (TRUE) { /* Is the whole area covered? */ @@ -729,7 +729,7 @@ _cogl_pot_slices_for_size (gint size_to_fill, } } } - + /* Can't get here */ return 0; } @@ -744,7 +744,7 @@ _cogl_texture_size_supported (GLenum gl_target, if (gl_target == GL_TEXTURE_2D) { /* Proxy texture allows for a quick check for supported size */ - + GLint new_width = 0; GE( glTexImage2D (GL_PROXY_TEXTURE_2D, 0, GL_RGBA, @@ -788,7 +788,7 @@ _cogl_texture_set_wrap_mode_parameter (CoglTexture *tex, static gboolean _cogl_texture_slices_create (CoglTexture *tex) -{ +{ gint bpp; gint max_width; gint max_height; @@ -800,11 +800,11 @@ _cogl_texture_slices_create (CoglTexture *tex) CoglTexSliceSpan *x_span; CoglTexSliceSpan *y_span; const GLfloat transparent_color[4] = { 0x00, 0x00, 0x00, 0x00 }; - + gint (*slices_for_size) (gint, gint, gint, GArray*); - + bpp = _cogl_get_format_bpp (tex->bitmap.format); - + /* Initialize size of largest slice according to supported features */ if (cogl_features_available (COGL_FEATURE_TEXTURE_NPOT)) { @@ -820,12 +820,12 @@ _cogl_texture_slices_create (CoglTexture *tex) tex->gl_target = GL_TEXTURE_2D; slices_for_size = _cogl_pot_slices_for_size; } - + /* Negative number means no slicing forced by the user */ if (tex->max_waste <= -1) { CoglTexSliceSpan span; - + /* Check if size supported else bail out */ if (!_cogl_texture_size_supported (tex->gl_target, tex->gl_format, @@ -835,25 +835,25 @@ _cogl_texture_slices_create (CoglTexture *tex) { return FALSE; } - + n_x_slices = 1; n_y_slices = 1; - - /* Init span arrays */ + + /* Init span arrays */ tex->slice_x_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), 1); - + tex->slice_y_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), 1); - + /* Add a single span for width and height */ span.start = 0; span.size = max_width; span.waste = max_width - tex->bitmap.width; g_array_append_val (tex->slice_x_spans, span); - + span.size = max_height; span.waste = max_height - tex->bitmap.height; g_array_append_val (tex->slice_y_spans, span); @@ -872,46 +872,46 @@ _cogl_texture_slices_create (CoglTexture *tex) max_width /= 2; else max_height /= 2; - + if (max_width == 0 || max_height == 0) return FALSE; } - + /* Determine the slices required to cover the bitmap area */ n_x_slices = slices_for_size (tex->bitmap.width, max_width, tex->max_waste, NULL); - + n_y_slices = slices_for_size (tex->bitmap.height, max_height, tex->max_waste, NULL); - + /* Init span arrays with reserved size */ tex->slice_x_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), n_x_slices); - + tex->slice_y_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), n_y_slices); - + /* Fill span arrays with info */ slices_for_size (tex->bitmap.width, max_width, tex->max_waste, tex->slice_x_spans); - + slices_for_size (tex->bitmap.height, max_height, tex->max_waste, tex->slice_y_spans); } - + /* Init and resize GL handle array */ n_slices = n_x_slices * n_y_slices; - + tex->slice_gl_handles = g_array_sized_new (FALSE, FALSE, sizeof (GLuint), n_slices); - + g_array_set_size (tex->slice_gl_handles, n_slices); /* Wrap mode not yet set */ @@ -921,19 +921,19 @@ _cogl_texture_slices_create (CoglTexture *tex) * (some implementations might supported faster * re-binding between textures inside a set) */ gl_handles = (GLuint*) tex->slice_gl_handles->data; - + GE( glGenTextures (n_slices, gl_handles) ); - - + + /* Init each GL texture object */ for (y = 0; y < n_y_slices; ++y) { y_span = &g_array_index (tex->slice_y_spans, CoglTexSliceSpan, y); - + for (x = 0; x < n_x_slices; ++x) { x_span = &g_array_index (tex->slice_x_spans, CoglTexSliceSpan, x); - + #if COGL_DEBUG printf ("CREATE SLICE (%d,%d)\n", x,y); printf ("size: (%d x %d)\n", @@ -964,19 +964,19 @@ _cogl_texture_slices_create (CoglTexture *tex) tex->gl_format, tex->gl_type, 0) ); } } - + return TRUE; } static void _cogl_texture_slices_free (CoglTexture *tex) -{ +{ if (tex->slice_x_spans != NULL) g_array_free (tex->slice_x_spans, TRUE); - + if (tex->slice_y_spans != NULL) g_array_free (tex->slice_y_spans, TRUE); - + if (tex->slice_gl_handles != NULL) { if (tex->is_foreign == FALSE) @@ -984,7 +984,7 @@ _cogl_texture_slices_free (CoglTexture *tex) GE( glDeleteTextures (tex->slice_gl_handles->len, (GLuint*) tex->slice_gl_handles->data) ); } - + g_array_free (tex->slice_gl_handles, TRUE); } } @@ -998,34 +998,34 @@ _cogl_pixel_format_from_gl_internal (GLenum gl_int_format, is re-matched against cogl when getting or setting texture image data. */ - + switch (gl_int_format) { case GL_ALPHA: case GL_ALPHA4: case GL_ALPHA8: case GL_ALPHA12: case GL_ALPHA16: - + *out_format = COGL_PIXEL_FORMAT_A_8; return TRUE; - + case GL_LUMINANCE: case GL_LUMINANCE4: case GL_LUMINANCE8: case GL_LUMINANCE12: case GL_LUMINANCE16: - + *out_format = COGL_PIXEL_FORMAT_G_8; return TRUE; - + case GL_RGB: case GL_RGB4: case GL_RGB5: case GL_RGB8: case GL_RGB10: case GL_RGB12: case GL_RGB16: case GL_R3_G3_B2: - + *out_format = COGL_PIXEL_FORMAT_RGB_888; return TRUE; - + case GL_RGBA: case GL_RGBA2: case GL_RGBA4: case GL_RGB5_A1: case GL_RGBA8: case GL_RGB10_A2: case GL_RGBA12: case GL_RGBA16: - + *out_format = COGL_PIXEL_FORMAT_RGBA_8888; return TRUE; } - + return FALSE; } @@ -1039,17 +1039,17 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, GLenum glintformat = 0; GLenum glformat = 0; GLenum gltype = 0; - + /* No premultiplied formats accepted by GL * (FIXME: latest hardware?) */ - + if (format & COGL_PREMULT_BIT) format = (format & COGL_UNPREMULT_MASK); - + /* Everything else accepted * (FIXME: check YUV support) */ required_format = format; - + /* Find GL equivalents */ switch (format) { @@ -1063,7 +1063,7 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, glformat = GL_LUMINANCE; gltype = GL_UNSIGNED_BYTE; break; - + case COGL_PIXEL_FORMAT_RGB_888: glintformat = GL_RGB; glformat = GL_RGB; @@ -1084,7 +1084,7 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, glformat = GL_BGRA; gltype = GL_UNSIGNED_BYTE; break; - + /* The following two types of channel ordering * have no GL equivalent unless defined using * system word byte ordering */ @@ -1097,7 +1097,7 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, gltype = GL_UNSIGNED_INT_8_8_8_8_REV; #endif break; - + case COGL_PIXEL_FORMAT_ABGR_8888: glintformat = GL_RGBA; glformat = GL_RGBA; @@ -1107,7 +1107,7 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, gltype = GL_UNSIGNED_INT_8_8_8_8_REV; #endif break; - + /* The following three types of channel ordering * are always defined using system word byte * ordering (even according to GLES spec) */ @@ -1126,19 +1126,19 @@ _cogl_pixel_format_to_gl (CoglPixelFormat format, glformat = GL_RGBA; gltype = GL_UNSIGNED_SHORT_5_5_5_1; break; - + /* FIXME: check extensions for YUV support */ default: break; } - + if (out_glintformat != NULL) *out_glintformat = glintformat; if (out_glformat != NULL) *out_glformat = glformat; if (out_gltype != NULL) *out_gltype = gltype; - + return required_format; } @@ -1149,7 +1149,7 @@ _cogl_texture_bitmap_prepare (CoglTexture *tex, CoglBitmap new_bitmap; CoglPixelFormat new_data_format; gboolean success; - + /* Was there any internal conversion requested? */ if (internal_format == COGL_PIXEL_FORMAT_ANY) internal_format = tex->bitmap.format; @@ -1159,21 +1159,21 @@ _cogl_texture_bitmap_prepare (CoglTexture *tex, &tex->gl_intformat, &tex->gl_format, &tex->gl_type); - + /* Convert to internal format */ if (new_data_format != tex->bitmap.format) { success = _cogl_bitmap_convert_and_premult (&tex->bitmap, &new_bitmap, new_data_format); - + if (!success) return FALSE; - + /* Update texture with new data */ _cogl_texture_bitmap_swap (tex, &new_bitmap); } - + return TRUE; } @@ -1197,15 +1197,15 @@ cogl_texture_new_with_size (guint width, CoglTexture *tex; gint bpp; gint rowstride; - + /* Since no data, we need some internal format */ if (internal_format == COGL_PIXEL_FORMAT_ANY) return COGL_INVALID_HANDLE; - + /* Rowstride from width */ bpp = _cogl_get_format_bpp (internal_format); rowstride = width * bpp; - + /* Init texture with empty bitmap */ tex = (CoglTexture*) g_malloc (sizeof (CoglTexture)); @@ -1214,36 +1214,36 @@ cogl_texture_new_with_size (guint width, tex->is_foreign = FALSE; tex->auto_mipmap = auto_mipmap; - + tex->bitmap.width = width; tex->bitmap.height = height; tex->bitmap.format = internal_format; tex->bitmap.rowstride = rowstride; tex->bitmap.data = NULL; tex->bitmap_owner = FALSE; - + tex->slice_x_spans = NULL; tex->slice_y_spans = NULL; tex->slice_gl_handles = NULL; - + tex->max_waste = max_waste; tex->min_filter = CGL_NEAREST; tex->mag_filter = CGL_NEAREST; - + /* Find closest GL format match */ tex->bitmap.format = _cogl_pixel_format_to_gl (internal_format, &tex->gl_intformat, &tex->gl_format, &tex->gl_type); - + /* Create slices for the given format and size */ if (!_cogl_texture_slices_create (tex)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + return _cogl_texture_handle_new (tex); } @@ -1259,20 +1259,20 @@ cogl_texture_new_from_data (guint width, { CoglTexture *tex; gint bpp; - + if (format == COGL_PIXEL_FORMAT_ANY) return COGL_INVALID_HANDLE; - + if (data == NULL) return COGL_INVALID_HANDLE; - + /* Rowstride from width if not given */ bpp = _cogl_get_format_bpp (format); if (rowstride == 0) rowstride = width * bpp; - + /* Create new texture and fill with given data */ tex = (CoglTexture*) g_malloc (sizeof (CoglTexture)); - + tex->ref_count = 1; COGL_HANDLE_DEBUG_NEW (texture, tex); @@ -1285,40 +1285,40 @@ cogl_texture_new_from_data (guint width, tex->bitmap.format = format; tex->bitmap.rowstride = rowstride; tex->bitmap_owner = FALSE; - + tex->slice_x_spans = NULL; tex->slice_y_spans = NULL; tex->slice_gl_handles = NULL; - + tex->max_waste = max_waste; tex->min_filter = CGL_NEAREST; tex->mag_filter = CGL_NEAREST; - + /* FIXME: If upload fails we should set some kind of * error flag but still return texture handle (this * is to keep the behavior equal to _new_from_file; * see below) */ - + if (!_cogl_texture_bitmap_prepare (tex, internal_format)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + if (!_cogl_texture_slices_create (tex)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + if (!_cogl_texture_upload_to_gl (tex)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + _cogl_texture_bitmap_free (tex); - + return _cogl_texture_handle_new (tex); } @@ -1331,7 +1331,7 @@ cogl_texture_new_from_file (const gchar *filename, { CoglBitmap bmp; CoglTexture *tex; - + g_return_val_if_fail (error == NULL || *error == NULL, COGL_INVALID_HANDLE); /* Try loading with imaging backend */ @@ -1346,27 +1346,27 @@ cogl_texture_new_from_file (const gchar *filename, *error = NULL; } } - + /* Create new texture and fill with loaded data */ tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture)); - + tex->ref_count = 1; COGL_HANDLE_DEBUG_NEW (texture, tex); - + tex->is_foreign = FALSE; tex->auto_mipmap = auto_mipmap; tex->bitmap = bmp; tex->bitmap_owner = TRUE; - + tex->slice_x_spans = NULL; tex->slice_y_spans = NULL; tex->slice_gl_handles = NULL; - + tex->max_waste = max_waste; tex->min_filter = CGL_NEAREST; tex->mag_filter = CGL_NEAREST; - + /* FIXME: If upload fails we should set some kind of * error flag but still return texture handle if the * user decides to destroy another texture and upload @@ -1374,27 +1374,27 @@ cogl_texture_new_from_file (const gchar *filename, * in that case). As a rule then, everytime a valid * CoglHandle is returned, it should also be destroyed * with cogl_texture_unref at some point! */ - + if (!_cogl_texture_bitmap_prepare (tex, internal_format)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + if (!_cogl_texture_slices_create (tex)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + if (!_cogl_texture_upload_to_gl (tex)) { _cogl_texture_free (tex); return COGL_INVALID_HANDLE; } - + _cogl_texture_bitmap_free (tex); - + return _cogl_texture_handle_new (tex); } @@ -1413,7 +1413,7 @@ cogl_texture_new_from_foreign (GLuint gl_handle, robustness and for completeness in case one day GLES gains support for them. */ - + GLenum gl_error = 0; GLboolean gl_istexture; GLint gl_compressed = GL_FALSE; @@ -1448,23 +1448,23 @@ cogl_texture_new_from_foreign (GLuint gl_handle, glBindTexture (gl_target, gl_handle); if (glGetError () != GL_NO_ERROR) return COGL_INVALID_HANDLE; - + /* Obtain texture parameters (only level 0 we are interested in) */ - + GE( glGetTexLevelParameteriv (gl_target, 0, GL_TEXTURE_COMPRESSED, &gl_compressed) ); - + GE( glGetTexLevelParameteriv (gl_target, 0, GL_TEXTURE_INTERNAL_FORMAT, &gl_int_format) ); - + GE( glGetTexLevelParameteriv (gl_target, 0, GL_TEXTURE_WIDTH, &gl_width) ); - + GE( glGetTexLevelParameteriv (gl_target, 0, GL_TEXTURE_HEIGHT, &gl_height) ); @@ -1472,57 +1472,57 @@ cogl_texture_new_from_foreign (GLuint gl_handle, GE( glGetTexParameteriv (gl_target, GL_TEXTURE_MIN_FILTER, &gl_min_filter) ); - + GE( glGetTexParameteriv (gl_target, GL_TEXTURE_MAG_FILTER, &gl_mag_filter) ); - + GE( glGetTexParameteriv (gl_target, GL_GENERATE_MIPMAP, &gl_gen_mipmap) ); - + /* Validate width and height */ if (gl_width <= 0 || gl_height <= 0) return COGL_INVALID_HANDLE; - + /* Validate pot waste */ if (x_pot_waste < 0 || x_pot_waste >= gl_width || y_pot_waste < 0 || y_pot_waste >= gl_height) return COGL_INVALID_HANDLE; - + /* Compressed texture images not supported */ if (gl_compressed == GL_TRUE) return COGL_INVALID_HANDLE; - + /* Try and match to a cogl format */ if (!_cogl_pixel_format_from_gl_internal (gl_int_format, &format)) { return COGL_INVALID_HANDLE; } - + /* Create new texture */ tex = (CoglTexture*) g_malloc ( sizeof (CoglTexture)); - + tex->ref_count = 1; COGL_HANDLE_DEBUG_NEW (texture, tex); - + /* Setup bitmap info */ tex->is_foreign = TRUE; tex->auto_mipmap = (gl_gen_mipmap == GL_TRUE) ? TRUE : FALSE; - + bpp = _cogl_get_format_bpp (format); tex->bitmap.format = format; tex->bitmap.width = gl_width - x_pot_waste; tex->bitmap.height = gl_height - y_pot_waste; tex->bitmap.rowstride = tex->bitmap.width * bpp; tex->bitmap_owner = FALSE; - + tex->gl_target = gl_target; tex->gl_intformat = gl_int_format; tex->gl_format = gl_int_format; tex->gl_type = GL_UNSIGNED_BYTE; - + tex->min_filter = gl_min_filter; tex->mag_filter = gl_mag_filter; tex->max_waste = 0; @@ -1534,26 +1534,26 @@ cogl_texture_new_from_foreign (GLuint gl_handle, tex->slice_x_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), 1); - + tex->slice_y_spans = g_array_sized_new (FALSE, FALSE, sizeof (CoglTexSliceSpan), 1); - + tex->slice_gl_handles = g_array_sized_new (FALSE, FALSE, sizeof (GLuint), 1); - + /* Store info for a single slice */ x_span.start = 0; x_span.size = gl_width; x_span.waste = x_pot_waste; g_array_append_val (tex->slice_x_spans, x_span); - + y_span.start = 0; y_span.size = gl_height; y_span.waste = y_pot_waste; g_array_append_val (tex->slice_y_spans, y_span); - + g_array_append_val (tex->slice_gl_handles, gl_handle); return _cogl_texture_handle_new (tex); @@ -1563,12 +1563,12 @@ guint cogl_texture_get_width (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->bitmap.width; } @@ -1576,12 +1576,12 @@ guint cogl_texture_get_height (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->bitmap.height; } @@ -1589,12 +1589,12 @@ CoglPixelFormat cogl_texture_get_format (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return COGL_PIXEL_FORMAT_ANY; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->bitmap.format; } @@ -1602,12 +1602,12 @@ guint cogl_texture_get_rowstride (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->bitmap.rowstride; } @@ -1615,12 +1615,12 @@ gint cogl_texture_get_max_waste (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->max_waste; } @@ -1628,18 +1628,18 @@ gboolean cogl_texture_is_sliced (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return FALSE; - + tex = _cogl_texture_pointer_from_handle (handle); - + if (tex->slice_gl_handles == NULL) return FALSE; - + if (tex->slice_gl_handles->len <= 1) return FALSE; - + return TRUE; } @@ -1649,24 +1649,24 @@ cogl_texture_get_gl_texture (CoglHandle handle, GLenum *out_gl_target) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return FALSE; - + tex = _cogl_texture_pointer_from_handle (handle); - + if (tex->slice_gl_handles == NULL) return FALSE; - + if (tex->slice_gl_handles->len < 1) return FALSE; - + if (out_gl_handle != NULL) *out_gl_handle = g_array_index (tex->slice_gl_handles, GLuint, 0); - + if (out_gl_target != NULL) *out_gl_target = tex->gl_target; - + return TRUE; } @@ -1674,12 +1674,12 @@ COGLenum cogl_texture_get_min_filter (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->min_filter; } @@ -1687,12 +1687,12 @@ COGLenum cogl_texture_get_mag_filter (CoglHandle handle) { CoglTexture *tex; - + if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + return tex->mag_filter; } @@ -1704,20 +1704,20 @@ cogl_texture_set_filters (CoglHandle handle, CoglTexture *tex; GLuint gl_handle; int i; - + if (!cogl_is_texture (handle)) return; - + tex = _cogl_texture_pointer_from_handle (handle); - + /* Store new values */ tex->min_filter = min_filter; tex->mag_filter = mag_filter; - + /* Make sure slices were created */ if (tex->slice_gl_handles == NULL) return; - + /* Apply new filters to every slice */ for (i=0; islice_gl_handles->len; ++i) { @@ -1753,37 +1753,37 @@ cogl_texture_set_region (CoglHandle handle, GLenum closest_gl_format; GLenum closest_gl_type; gboolean success; - + /* Check if valid texture handle */ if (!cogl_is_texture (handle)) return FALSE; - + tex = _cogl_texture_pointer_from_handle (handle); - + /* Check for valid format */ if (format == COGL_PIXEL_FORMAT_ANY) return FALSE; - + /* Shortcut out early if the image is empty */ if (width == 0 || height == 0) return TRUE; - + /* Init source bitmap */ source_bmp.width = width; source_bmp.height = height; source_bmp.format = format; source_bmp.data = (guchar*)data; - + /* Rowstride from width if none specified */ bpp = _cogl_get_format_bpp (format); source_bmp.rowstride = (rowstride == 0) ? width * bpp : rowstride; - + /* Find closest format to internal that's supported by GL */ closest_format = _cogl_pixel_format_to_gl (tex->bitmap.format, NULL, /* don't need */ &closest_gl_format, &closest_gl_type); - + /* If no direct match, convert */ if (closest_format != format) { @@ -1791,13 +1791,13 @@ cogl_texture_set_region (CoglHandle handle, success = _cogl_bitmap_convert_and_premult (&source_bmp, &temp_bmp, closest_format); - + /* Swap bitmaps if succeeded */ if (!success) return FALSE; source_bmp = temp_bmp; source_bmp_owner = TRUE; } - + /* Send data to GL */ _cogl_texture_upload_subregion_to_gl (tex, src_x, src_y, @@ -1806,11 +1806,11 @@ cogl_texture_set_region (CoglHandle handle, &source_bmp, closest_gl_format, closest_gl_type); - + /* Free data if owner */ if (source_bmp_owner) g_free (source_bmp.data); - + return TRUE; } @@ -1833,33 +1833,33 @@ cogl_texture_get_data (CoglHandle handle, guchar *src; guchar *dst; gint y; - + /* Check if valid texture handle */ if (!cogl_is_texture (handle)) return 0; - + tex = _cogl_texture_pointer_from_handle (handle); - + /* Default to internal format if none specified */ if (format == COGL_PIXEL_FORMAT_ANY) format = tex->bitmap.format; - + /* Rowstride from texture width if none specified */ bpp = _cogl_get_format_bpp (format); if (rowstride == 0) rowstride = tex->bitmap.width * bpp; - + /* Return byte size if only that requested */ byte_size = tex->bitmap.height * rowstride; if (data == NULL) return byte_size; - + /* Find closest format that's supported by GL */ closest_format = _cogl_pixel_format_to_gl (format, NULL, /* don't need */ &closest_gl_format, &closest_gl_type); - + closest_bpp = _cogl_get_format_bpp (closest_format); - + /* Is the requested format supported? */ if (closest_format == format) { @@ -1878,12 +1878,12 @@ cogl_texture_get_data (CoglHandle handle, target_bmp.data = (guchar*) g_malloc (target_bmp.height * target_bmp.rowstride); } - + /* Retrieve data from slices */ _cogl_texture_download_from_gl (tex, &target_bmp, closest_gl_format, closest_gl_type); - + /* Was intermediate used? */ if (closest_format != format) { @@ -1891,11 +1891,11 @@ cogl_texture_get_data (CoglHandle handle, success = _cogl_bitmap_convert_and_premult (&target_bmp, &new_bmp, format); - + /* Free intermediate data and return if failed */ g_free (target_bmp.data); if (!success) return 0; - + /* Copy to user buffer */ for (y = 0; y < new_bmp.height; ++y) { @@ -1903,14 +1903,103 @@ cogl_texture_get_data (CoglHandle handle, dst = data + y * rowstride; memcpy (dst, src, new_bmp.width); } - + /* Free converted data */ g_free (new_bmp.data); } - + return byte_size; } +static void +_cogl_texture_flush_vertices (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->texture_vertices->len > 0) + { + int needed_indices; + CoglTextureGLVertex *p + = (CoglTextureGLVertex *) ctx->texture_vertices->data; + + /* The indices are always the same sequence regardless of the + vertices so we only need to change it if there are more + vertices than ever before */ + needed_indices = ctx->texture_vertices->len / 4 * 6; + if (needed_indices > ctx->texture_indices->len) + { + int old_len = ctx->texture_indices->len; + int vert_num = old_len / 6 * 4; + int i; + GLushort *q; + + /* Add two triangles for each quad to the list of + indices. That makes six new indices but two of the + vertices in the triangles are shared. */ + g_array_set_size (ctx->texture_indices, needed_indices); + q = &g_array_index (ctx->texture_indices, GLushort, old_len); + + for (i = old_len; + i < ctx->texture_indices->len; + i += 6, vert_num += 4) + { + *(q++) = vert_num + 0; + *(q++) = vert_num + 1; + *(q++) = vert_num + 3; + + *(q++) = vert_num + 1; + *(q++) = vert_num + 2; + *(q++) = vert_num + 3; + } + } + + GE( glVertexPointer (2, GL_FLOAT, + sizeof (CoglTextureGLVertex), p->v ) ); + GE( glTexCoordPointer (2, GL_FLOAT, + sizeof (CoglTextureGLVertex), p->t ) ); + + GE( glBindTexture (ctx->texture_target, ctx->texture_current) ); + GE( ctx->pf_glDrawRangeElements (GL_TRIANGLES, + 0, ctx->texture_vertices->len - 1, + needed_indices, + GL_UNSIGNED_SHORT, + ctx->texture_indices->data) ); + + g_array_set_size (ctx->texture_vertices, 0); + } +} + +static void +_cogl_texture_add_quad_vertices (GLfloat x1, GLfloat y1, + GLfloat x2, GLfloat y2, + GLfloat tx1, GLfloat ty1, + GLfloat tx2, GLfloat ty2) +{ + CoglTextureGLVertex *p; + GLushort first_vert; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Add the four vertices of the quad to the list of queued + vertices */ + first_vert = ctx->texture_vertices->len; + g_array_set_size (ctx->texture_vertices, first_vert + 4); + p = &g_array_index (ctx->texture_vertices, CoglTextureGLVertex, first_vert); + + p->v[0] = x1; p->v[1] = y1; + p->t[0] = tx1; p->t[1] = ty1; + p++; + p->v[0] = x1; p->v[1] = y2; + p->t[0] = tx1; p->t[1] = ty2; + p++; + p->v[0] = x2; p->v[1] = y2; + p->t[0] = tx2; p->t[1] = ty2; + p++; + p->v[0] = x2; p->v[1] = y1; + p->t[0] = tx2; p->t[1] = ty1; + p++; +} + static void _cogl_texture_quad_sw (CoglTexture *tex, CoglFixed x1, @@ -1931,38 +2020,21 @@ _cogl_texture_quad_sw (CoglTexture *tex, CoglFixed slice_tx2 , slice_ty2; CoglFixed slice_qx1 , slice_qy1; CoglFixed slice_qx2 , slice_qy2; - GLfloat tex_coords[8]; - GLfloat quad_coords[8]; GLuint gl_handle; - gulong enable_flags = (COGL_ENABLE_VERTEX_ARRAY - | COGL_ENABLE_TEXCOORD_ARRAY); - + _COGL_GET_CONTEXT (ctx, NO_RETVAL); #if COGL_DEBUG printf("=== Drawing Tex Quad (Software Tiling Mode) ===\n"); #endif - /* Prepare GL state */ - if (tex->gl_target == CGL_TEXTURE_RECTANGLE_ARB) - enable_flags |= COGL_ENABLE_TEXTURE_RECT; - else - enable_flags |= COGL_ENABLE_TEXTURE_2D; - - if (ctx->color_alpha < 255 - || tex->bitmap.format & COGL_A_BIT) - { - enable_flags |= COGL_ENABLE_BLEND; - } - - if (ctx->enable_backface_culling) - enable_flags |= COGL_ENABLE_BACKFACE_CULLING; - - cogl_enable (enable_flags); - /* We can't use hardware repeat so we need to set clamp to edge otherwise it might pull in edge pixels from the other side */ + if (ctx->texture_vertices->len > 0 + && ctx->texture_wrap_mode != GL_CLAMP_TO_EDGE) + _cogl_texture_flush_vertices (); _cogl_texture_set_wrap_mode_parameter (tex, GL_CLAMP_TO_EDGE); + ctx->texture_wrap_mode = GL_CLAMP_TO_EDGE; /* If the texture coordinates are backwards then swap both the geometry and texture coordinates so that the texture will be @@ -1986,21 +2058,18 @@ _cogl_texture_quad_sw (CoglTexture *tex, ty1 = ty2; ty2 = temp; } - - GE( glTexCoordPointer (2, GL_FLOAT, 0, tex_coords) ); - GE( glVertexPointer (2, GL_FLOAT, 0, quad_coords) ); - + /* Scale ratio from texture to quad widths */ tw = COGL_FIXED_FROM_INT (tex->bitmap.width); th = COGL_FIXED_FROM_INT (tex->bitmap.height); - + tqx = COGL_FIXED_DIV (x2 - x1, COGL_FIXED_MUL (tw, (tx2 - tx1))); tqy = COGL_FIXED_DIV (y2 - y1, COGL_FIXED_MUL (th, (ty2 - ty1))); /* Integral texture coordinate for first tile */ first_tx = COGL_FIXED_FROM_INT (COGL_FIXED_FLOOR (tx1)); first_ty = COGL_FIXED_FROM_INT (COGL_FIXED_FLOOR (ty1)); - + /* Denormalize texture coordinates */ first_tx = COGL_FIXED_MUL (first_tx, tw); first_ty = COGL_FIXED_MUL (first_ty, th); @@ -2012,21 +2081,21 @@ _cogl_texture_quad_sw (CoglTexture *tex, /* Quad coordinate of the first tile */ first_qx = x1 - COGL_FIXED_MUL (tx1 - first_tx, tqx); first_qy = y1 - COGL_FIXED_MUL (ty1 - first_ty, tqy); - - + + /* Iterate until whole quad height covered */ for (_cogl_span_iter_begin (&iter_y, tex->slice_y_spans, first_ty, ty1, ty2) ; !_cogl_span_iter_end (&iter_y) ; _cogl_span_iter_next (&iter_y) ) - { + { /* Discard slices out of quad early */ if (!iter_y.intersects) continue; - + /* Span-quad intersection in quad coordinates */ slice_qy1 = first_qy + COGL_FIXED_MUL (iter_y.intersect_start - first_ty, tqy); - + slice_qy2 = first_qy + COGL_FIXED_MUL (iter_y.intersect_end - first_ty, tqy); @@ -2050,14 +2119,14 @@ _cogl_texture_quad_sw (CoglTexture *tex, { /* Discard slices out of quad early */ if (!iter_x.intersects) continue; - + /* Span-quad intersection in quad coordinates */ slice_qx1 = first_qx + COGL_FIXED_MUL (iter_x.intersect_start - first_tx, tqx); - + slice_qx2 = first_qx + COGL_FIXED_MUL (iter_x.intersect_end - first_tx, tqx); - + /* Localize slice texture coordinates */ slice_tx1 = iter_x.intersect_start - iter_x.pos; slice_tx2 = iter_x.intersect_end - iter_x.pos; @@ -2081,30 +2150,28 @@ _cogl_texture_quad_sw (CoglTexture *tex, printf("tx2: %f\n", COGL_FIXED_TO_FLOAT (slice_tx2)); printf("ty2: %f\n", COGL_FIXED_TO_FLOAT (slice_ty2)); #endif - + /* Pick and bind opengl texture object */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, iter_y.index * iter_x.array->len + iter_x.index); - - GE( glBindTexture (tex->gl_target, gl_handle) ); -#define CFX_F COGL_FIXED_TO_FLOAT - - /* Draw textured quad */ - tex_coords[0] = CFX_F(slice_tx1); tex_coords[1] = CFX_F(slice_ty2); - tex_coords[2] = CFX_F(slice_tx2); tex_coords[3] = CFX_F(slice_ty2); - tex_coords[4] = CFX_F(slice_tx1); tex_coords[5] = CFX_F(slice_ty1); - tex_coords[6] = CFX_F(slice_tx2); tex_coords[7] = CFX_F(slice_ty1); + /* If we're using a different texture from the one already queued + then flush the vertices */ + if (ctx->texture_vertices->len > 0 + && gl_handle != ctx->texture_current) + _cogl_texture_flush_vertices (); + ctx->texture_target = tex->gl_target; + ctx->texture_current = gl_handle; - quad_coords[0] = CFX_F(slice_qx1); quad_coords[1] = CFX_F(slice_qy2); - quad_coords[2] = CFX_F(slice_qx2); quad_coords[3] = CFX_F(slice_qy2); - quad_coords[4] = CFX_F(slice_qx1); quad_coords[5] = CFX_F(slice_qy1); - quad_coords[6] = CFX_F(slice_qx2); quad_coords[7] = CFX_F(slice_qy1); - - GE (glDrawArrays (GL_TRIANGLE_STRIP, 0, 4) ); - -#undef CFX_F + _cogl_texture_add_quad_vertices (COGL_FIXED_TO_FLOAT (slice_qx1), + COGL_FIXED_TO_FLOAT (slice_qy1), + COGL_FIXED_TO_FLOAT (slice_qx2), + COGL_FIXED_TO_FLOAT (slice_qy2), + COGL_FIXED_TO_FLOAT (slice_tx1), + COGL_FIXED_TO_FLOAT (slice_ty1), + COGL_FIXED_TO_FLOAT (slice_tx2), + COGL_FIXED_TO_FLOAT (slice_ty2)); } } } @@ -2120,37 +2187,16 @@ _cogl_texture_quad_hw (CoglTexture *tex, CoglFixed tx2, CoglFixed ty2) { - GLfloat tex_coords[8]; - GLfloat quad_coords[8]; GLuint gl_handle; CoglTexSliceSpan *x_span; CoglTexSliceSpan *y_span; - gulong enable_flags = (COGL_ENABLE_VERTEX_ARRAY - | COGL_ENABLE_TEXCOORD_ARRAY); + GLenum wrap_mode; #if COGL_DEBUG printf("=== Drawing Tex Quad (Hardware Tiling Mode) ===\n"); #endif - + _COGL_GET_CONTEXT (ctx, NO_RETVAL); - - /* Prepare GL state */ - if (tex->gl_target == CGL_TEXTURE_RECTANGLE_ARB) - enable_flags |= COGL_ENABLE_TEXTURE_RECT; - else - enable_flags |= COGL_ENABLE_TEXTURE_2D; - - if (ctx->color_alpha < 255 - || tex->bitmap.format & COGL_A_BIT) - { - enable_flags |= COGL_ENABLE_BLEND; - } - - if (ctx->enable_backface_culling) - enable_flags |= COGL_ENABLE_BACKFACE_CULLING; - - cogl_enable (enable_flags); - /* If the texture coords are all in the range [0,1] then we want to clamp the coords to the edge otherwise it can pull in edge pixels @@ -2159,17 +2205,25 @@ _cogl_texture_quad_hw (CoglTexture *tex, && tx2 >= 0 && tx2 <= COGL_FIXED_1 && ty1 >= 0 && ty1 <= COGL_FIXED_1 && ty2 >= 0 && ty2 <= COGL_FIXED_1) - _cogl_texture_set_wrap_mode_parameter (tex, GL_CLAMP_TO_EDGE); + wrap_mode = GL_CLAMP_TO_EDGE; else - _cogl_texture_set_wrap_mode_parameter (tex, GL_REPEAT); + wrap_mode = GL_REPEAT; - GE( glTexCoordPointer (2, GL_FLOAT, 0, tex_coords) ); - GE( glVertexPointer (2, GL_FLOAT, 0, quad_coords) ); - /* Pick and bind opengl texture object */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, 0); - GE( glBindTexture (tex->gl_target, gl_handle) ); - + + /* If we're using a different texture from the one already queued + then flush the vertices */ + if (ctx->texture_vertices->len > 0 + && (gl_handle != ctx->texture_current + || ctx->texture_wrap_mode != wrap_mode)) + _cogl_texture_flush_vertices (); + ctx->texture_target = tex->gl_target; + ctx->texture_current = gl_handle; + ctx->texture_wrap_mode = wrap_mode; + + _cogl_texture_set_wrap_mode_parameter (tex, wrap_mode); + /* Don't include the waste in the texture coordinates */ x_span = &g_array_index (tex->slice_x_spans, CoglTexSliceSpan, 0); y_span = &g_array_index (tex->slice_y_spans, CoglTexSliceSpan, 0); @@ -2189,22 +2243,84 @@ _cogl_texture_quad_hw (CoglTexture *tex, ty2 *= y_span->size; } -#define CFX_F(x) COGL_FIXED_TO_FLOAT(x) + _cogl_texture_add_quad_vertices (COGL_FIXED_TO_FLOAT (x1), + COGL_FIXED_TO_FLOAT (y1), + COGL_FIXED_TO_FLOAT (x2), + COGL_FIXED_TO_FLOAT (y2), + COGL_FIXED_TO_FLOAT (tx1), + COGL_FIXED_TO_FLOAT (ty1), + COGL_FIXED_TO_FLOAT (tx2), + COGL_FIXED_TO_FLOAT (ty2)); +} - /* Draw textured quad */ - tex_coords[0] = CFX_F(tx1); tex_coords[1] = CFX_F(ty2); - tex_coords[2] = CFX_F(tx2); tex_coords[3] = CFX_F(ty2); - tex_coords[4] = CFX_F(tx1); tex_coords[5] = CFX_F(ty1); - tex_coords[6] = CFX_F(tx2); tex_coords[7] = CFX_F(ty1); +void +cogl_texture_multiple_rectangles (CoglHandle handle, + const CoglFixed *verts, + guint n_rects) +{ + CoglTexture *tex; + gulong enable_flags = (COGL_ENABLE_VERTEX_ARRAY + | COGL_ENABLE_TEXCOORD_ARRAY); - quad_coords[0] = CFX_F(x1); quad_coords[1] = CFX_F(y2); - quad_coords[2] = CFX_F(x2); quad_coords[3] = CFX_F(y2); - quad_coords[4] = CFX_F(x1); quad_coords[5] = CFX_F(y1); - quad_coords[6] = CFX_F(x2); quad_coords[7] = CFX_F(y1); + _COGL_GET_CONTEXT (ctx, NO_RETVAL); - GE (glDrawArrays (GL_TRIANGLE_STRIP, 0, 4) ); + /* Check if valid texture */ + if (!cogl_is_texture (handle)) + return; -#undef CFX_F + cogl_clip_ensure (); + + tex = _cogl_texture_pointer_from_handle (handle); + + /* Make sure we got stuff to draw */ + if (tex->slice_gl_handles == NULL) + return; + + if (tex->slice_gl_handles->len == 0) + return; + + /* Prepare GL state */ + if (tex->gl_target == CGL_TEXTURE_RECTANGLE_ARB) + enable_flags |= COGL_ENABLE_TEXTURE_RECT; + else + enable_flags |= COGL_ENABLE_TEXTURE_2D; + + if (ctx->color_alpha < 255 + || tex->bitmap.format & COGL_A_BIT) + enable_flags |= COGL_ENABLE_BLEND; + + if (ctx->enable_backface_culling) + enable_flags |= COGL_ENABLE_BACKFACE_CULLING; + + cogl_enable (enable_flags); + + g_array_set_size (ctx->texture_vertices, 0); + + while (n_rects-- > 0) + { + if (verts[4] != verts[6] && verts[5] != verts[7]) + { + /* If there is only one GL texture and either the texture is + NPOT (no waste) or all of the coordinates are in the + range [0,1] then we can use hardware tiling */ + if (tex->slice_gl_handles->len == 1 + && ((cogl_features_available (COGL_FEATURE_TEXTURE_NPOT) + && tex->gl_target == GL_TEXTURE_2D) + || (verts[4] >= 0 && verts[4] <= COGL_FIXED_1 + && verts[6] >= 0 && verts[6] <= COGL_FIXED_1 + && verts[5] >= 0 && verts[5] <= COGL_FIXED_1 + && verts[7] >= 0 && verts[7] <= COGL_FIXED_1))) + _cogl_texture_quad_hw (tex, verts[0],verts[1], verts[2],verts[3], + verts[4],verts[5], verts[6],verts[7]); + else + _cogl_texture_quad_sw (tex, verts[0],verts[1], verts[2],verts[3], + verts[4],verts[5], verts[6],verts[7]); + } + + verts += 8; + } + + _cogl_texture_flush_vertices (); } void @@ -2218,39 +2334,18 @@ cogl_texture_rectangle (CoglHandle handle, CoglFixed tx2, CoglFixed ty2) { - CoglTexture *tex; - - /* Check if valid texture */ - if (!cogl_is_texture (handle)) - return; - - cogl_clip_ensure (); + CoglFixed verts[8]; - tex = _cogl_texture_pointer_from_handle (handle); - - /* Make sure we got stuff to draw */ - if (tex->slice_gl_handles == NULL) - return; - - if (tex->slice_gl_handles->len == 0) - return; - - if (tx1 == tx2 || ty1 == ty2) - return; + verts[0] = x1; + verts[1] = y1; + verts[2] = x2; + verts[3] = y2; + verts[4] = tx1; + verts[5] = ty1; + verts[6] = tx2; + verts[7] = ty2; - /* If there is only one GL texture and either the texture is NPOT - (no waste) or all of the coordinates are in the range [0,1] then - we can use hardware tiling */ - if (tex->slice_gl_handles->len == 1 - && ((cogl_features_available (COGL_FEATURE_TEXTURE_NPOT) - && tex->gl_target == GL_TEXTURE_2D) - || (tx1 >= 0 && tx1 <= COGL_FIXED_1 - && tx2 >= 0 && tx2 <= COGL_FIXED_1 - && ty1 >= 0 && ty1 <= COGL_FIXED_1 - && ty2 >= 0 && ty2 <= COGL_FIXED_1))) - _cogl_texture_quad_hw (tex, x1,y1, x2,y2, tx1,ty1, tx2,ty2); - else - _cogl_texture_quad_sw (tex, x1,y1, x2,y2, tx1,ty1, tx2,ty2); + cogl_texture_multiple_rectangles (handle, verts, 1); } void @@ -2299,23 +2394,9 @@ cogl_texture_polygon (CoglHandle handle, /* Make sure there is enough space in the global texture vertex array. This is used so we can render the polygon with a single call to OpenGL but still support any number of vertices */ - if (ctx->texture_vertices_size < n_vertices) - { - guint nsize = ctx->texture_vertices_size; - - if (nsize == 0) - nsize = 1; - do - nsize *= 2; - while (nsize < n_vertices); - - ctx->texture_vertices_size = nsize; + g_array_set_size (ctx->texture_vertices, n_vertices); + p = (CoglTextureGLVertex *) ctx->texture_vertices->data; - ctx->texture_vertices = g_realloc (ctx->texture_vertices, - nsize - * sizeof (CoglTextureGLVertex)); - } - /* Prepare GL state */ enable_flags = (COGL_ENABLE_VERTEX_ARRAY | COGL_ENABLE_TEXCOORD_ARRAY @@ -2332,14 +2413,12 @@ cogl_texture_polygon (CoglHandle handle, if (use_color) { enable_flags |= COGL_ENABLE_COLOR_ARRAY; - GE( glColorPointer (4, GL_UNSIGNED_BYTE, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].c) ); + GE( glColorPointer (4, GL_UNSIGNED_BYTE, + sizeof (CoglTextureGLVertex), p->c) ); } - GE( glVertexPointer (3, GL_FLOAT, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].v) ); - GE( glTexCoordPointer (2, GL_FLOAT, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].t) ); + GE( glVertexPointer (3, GL_FLOAT, sizeof (CoglTextureGLVertex), p->v ) ); + GE( glTexCoordPointer (2, GL_FLOAT, sizeof (CoglTextureGLVertex), p->t ) ); cogl_enable (enable_flags); @@ -2362,9 +2441,11 @@ cogl_texture_polygon (CoglHandle handle, gl_handle = g_array_index (tex->slice_gl_handles, GLuint, tex_num++); + p = (CoglTextureGLVertex *) ctx->texture_vertices->data; + /* Convert the vertices into an array of GLfloats ready to pass to OpenGL */ - for (i = 0, p = ctx->texture_vertices; i < n_vertices; i++, p++) + for (i = 0; i < n_vertices; i++, p++) { CoglFixed tx, ty; diff --git a/gles/cogl-context.c b/gles/cogl-context.c index c7c768dec..b09568de4 100644 --- a/gles/cogl-context.c +++ b/gles/cogl-context.c @@ -59,9 +59,11 @@ cogl_create_context () _context->last_path = 0; _context->texture_handles = NULL; - _context->texture_vertices_size = 0; - _context->texture_vertices = NULL; - + _context->texture_vertices = g_array_new (FALSE, FALSE, + sizeof (CoglTextureGLVertex)); + _context->texture_indices = g_array_new (FALSE, FALSE, + sizeof (GLushort)); + _context->fbo_handles = NULL; _context->program_handles = NULL; _context->shader_handles = NULL; @@ -104,8 +106,10 @@ cogl_destroy_context () #endif if (_context->texture_vertices) - g_free (_context->texture_vertices); - + g_array_free (_context->texture_vertices, TRUE); + if (_context->texture_indices) + g_array_free (_context->texture_indices, TRUE); + if (_context->texture_handles) g_array_free (_context->texture_handles, TRUE); if (_context->fbo_handles) diff --git a/gles/cogl-context.h b/gles/cogl-context.h index b62903efc..5d835712a 100644 --- a/gles/cogl-context.h +++ b/gles/cogl-context.h @@ -65,9 +65,14 @@ typedef struct /* Textures */ GArray *texture_handles; - CoglTextureGLVertex *texture_vertices; - gulong texture_vertices_size; - + GArray *texture_vertices; + GArray *texture_indices; + /* The gl texture number that the above vertices apply to. This to + detect when a different slice is encountered so that the vertices + can be flushed */ + GLuint texture_current; + GLenum texture_target; + /* Framebuffer objects */ GArray *fbo_handles; CoglBufferTarget draw_buffer; diff --git a/gles/cogl-texture.c b/gles/cogl-texture.c index 5a75eb389..915e82b23 100644 --- a/gles/cogl-texture.c +++ b/gles/cogl-texture.c @@ -2047,6 +2047,94 @@ cogl_texture_get_data (CoglHandle handle, return byte_size; } +static void +_cogl_texture_flush_vertices (void) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + if (ctx->texture_vertices->len > 0) + { + int needed_indices; + CoglTextureGLVertex *p + = (CoglTextureGLVertex *) ctx->texture_vertices->data; + + /* The indices are always the same sequence regardless of the + vertices so we only need to change it if there are more + vertices than ever before */ + needed_indices = ctx->texture_vertices->len / 4 * 6; + if (needed_indices > ctx->texture_indices->len) + { + int old_len = ctx->texture_indices->len; + int vert_num = old_len / 6 * 4; + int i; + GLushort *q; + + /* Add two triangles for each quad to the list of + indices. That makes six new indices but two of the + vertices in the triangles are shared. */ + g_array_set_size (ctx->texture_indices, needed_indices); + q = &g_array_index (ctx->texture_indices, GLushort, old_len); + + for (i = old_len; + i < ctx->texture_indices->len; + i += 6, vert_num += 4) + { + *(q++) = vert_num + 0; + *(q++) = vert_num + 1; + *(q++) = vert_num + 3; + + *(q++) = vert_num + 1; + *(q++) = vert_num + 2; + *(q++) = vert_num + 3; + } + } + + GE( glVertexPointer (2, GL_FLOAT, + sizeof (CoglTextureGLVertex), p->v ) ); + GE( glTexCoordPointer (2, GL_FLOAT, + sizeof (CoglTextureGLVertex), p->t ) ); + + GE( glBindTexture (ctx->texture_target, ctx->texture_current) ); + GE( glDrawElements (GL_TRIANGLES, + needed_indices, + GL_UNSIGNED_SHORT, + ctx->texture_indices->data) ); + + g_array_set_size (ctx->texture_vertices, 0); + } +} + +static void +_cogl_texture_add_quad_vertices (GLfloat x1, GLfloat y1, + GLfloat x2, GLfloat y2, + GLfloat tx1, GLfloat ty1, + GLfloat tx2, GLfloat ty2) +{ + CoglTextureGLVertex *p; + GLushort first_vert; + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Add the four vertices of the quad to the list of queued + vertices */ + first_vert = ctx->texture_vertices->len; + g_array_set_size (ctx->texture_vertices, first_vert + 4); + p = &g_array_index (ctx->texture_vertices, CoglTextureGLVertex, first_vert); + + p->v[0] = x1; p->v[1] = y1; + p->t[0] = tx1; p->t[1] = ty1; + p++; + p->v[0] = x1; p->v[1] = y2; + p->t[0] = tx1; p->t[1] = ty2; + p++; + p->v[0] = x2; p->v[1] = y2; + p->t[0] = tx2; p->t[1] = ty2; + p++; + p->v[0] = x2; p->v[1] = y1; + p->t[0] = tx2; p->t[1] = ty1; + p++; +} + static void _cogl_texture_quad_sw (CoglTexture *tex, CoglFixed x1, @@ -2067,31 +2155,13 @@ _cogl_texture_quad_sw (CoglTexture *tex, CoglFixed slice_tx2 , slice_ty2; CoglFixed slice_qx1 , slice_qy1; CoglFixed slice_qx2 , slice_qy2; - GLfloat tex_coords[8]; - GLfloat quad_coords[8]; GLuint gl_handle; - gulong enable_flags = (COGL_ENABLE_TEXTURE_2D - | COGL_ENABLE_VERTEX_ARRAY - | COGL_ENABLE_TEXCOORD_ARRAY); - + _COGL_GET_CONTEXT (ctx, NO_RETVAL); #if COGL_DEBUG printf("=== Drawing Tex Quad (Software Tiling Mode) ===\n"); #endif - - - /* Prepare GL state */ - if (ctx->color_alpha < 255 - || tex->bitmap.format & COGL_A_BIT) - { - enable_flags |= COGL_ENABLE_BLEND; - } - - if (ctx->enable_backface_culling) - enable_flags |= COGL_ENABLE_BACKFACE_CULLING; - - cogl_enable (enable_flags); /* If the texture coordinates are backwards then swap both the geometry and texture coordinates so that the texture will be @@ -2115,10 +2185,7 @@ _cogl_texture_quad_sw (CoglTexture *tex, ty1 = ty2; ty2 = temp; } - - GE( glTexCoordPointer (2, GL_FLOAT, 0, tex_coords) ); - GE( glVertexPointer (2, GL_FLOAT, 0, quad_coords) ); - + /* Scale ratio from texture to quad widths */ tw = COGL_FIXED_FROM_INT (tex->bitmap.width); th = COGL_FIXED_FROM_INT (tex->bitmap.height); @@ -2158,17 +2225,16 @@ _cogl_texture_quad_sw (CoglTexture *tex, slice_qy2 = first_qy + COGL_FIXED_MUL (iter_y.intersect_end - first_ty, tqy); - + /* Localize slice texture coordinates */ slice_ty1 = iter_y.intersect_start - iter_y.pos; slice_ty2 = iter_y.intersect_end - iter_y.pos; - + /* Normalize texture coordinates to current slice (rectangle texture targets take denormalized) */ slice_ty1 /= iter_y.span->size; slice_ty2 /= iter_y.span->size; - - + /* Iterate until whole quad width covered */ for (_cogl_span_iter_begin (&iter_x, tex->slice_x_spans, first_tx, tx1, tx2) ; @@ -2188,12 +2254,12 @@ _cogl_texture_quad_sw (CoglTexture *tex, /* Localize slice texture coordinates */ slice_tx1 = iter_x.intersect_start - iter_x.pos; slice_tx2 = iter_x.intersect_end - iter_x.pos; - + /* Normalize texture coordinates to current slice (rectangle texture targets take denormalized) */ slice_tx1 /= iter_x.span->size; slice_tx2 /= iter_x.span->size; - + #if COGL_DEBUG printf("~~~~~ slice (%d,%d)\n", iter_x.index, iter_y.index); printf("qx1: %f\n", COGL_FIXED_TO_FLOAT (slice_qx1)); @@ -2210,26 +2276,23 @@ _cogl_texture_quad_sw (CoglTexture *tex, gl_handle = g_array_index (tex->slice_gl_handles, GLuint, iter_y.index * iter_x.array->len + iter_x.index); - - GE( cogl_gles2_wrapper_bind_texture (tex->gl_target, gl_handle, - tex->gl_intformat) ); -#define CFX_F COGL_FIXED_TO_FLOAT - - /* Draw textured quad */ - tex_coords[0] = CFX_F(slice_tx1); tex_coords[1] = CFX_F(slice_ty2); - tex_coords[2] = CFX_F(slice_tx2); tex_coords[3] = CFX_F(slice_ty2); - tex_coords[4] = CFX_F(slice_tx1); tex_coords[5] = CFX_F(slice_ty1); - tex_coords[6] = CFX_F(slice_tx2); tex_coords[7] = CFX_F(slice_ty1); + /* If we're using a different texture from the one already queued + then flush the vertices */ + if (ctx->texture_vertices->len > 0 + && gl_handle != ctx->texture_current) + _cogl_texture_flush_vertices (); + ctx->texture_target = tex->gl_target; + ctx->texture_current = gl_handle; - quad_coords[0] = CFX_F(slice_qx1); quad_coords[1] = CFX_F(slice_qy2); - quad_coords[2] = CFX_F(slice_qx2); quad_coords[3] = CFX_F(slice_qy2); - quad_coords[4] = CFX_F(slice_qx1); quad_coords[5] = CFX_F(slice_qy1); - quad_coords[6] = CFX_F(slice_qx2); quad_coords[7] = CFX_F(slice_qy1); - - GE (glDrawArrays (GL_TRIANGLE_STRIP, 0, 4) ); - -#undef CFX_F + _cogl_texture_add_quad_vertices (COGL_FIXED_TO_FLOAT (slice_qx1), + COGL_FIXED_TO_FLOAT (slice_qy1), + COGL_FIXED_TO_FLOAT (slice_qx2), + COGL_FIXED_TO_FLOAT (slice_qy2), + COGL_FIXED_TO_FLOAT (slice_tx1), + COGL_FIXED_TO_FLOAT (slice_ty1), + COGL_FIXED_TO_FLOAT (slice_tx2), + COGL_FIXED_TO_FLOAT (slice_ty2)); } } } @@ -2245,41 +2308,27 @@ _cogl_texture_quad_hw (CoglTexture *tex, CoglFixed tx2, CoglFixed ty2) { - GLfloat tex_coords[8]; - GLfloat quad_coords[8]; GLuint gl_handle; CoglTexSliceSpan *x_span; CoglTexSliceSpan *y_span; - gulong enable_flags = (COGL_ENABLE_TEXTURE_2D - | COGL_ENABLE_VERTEX_ARRAY - | COGL_ENABLE_TEXCOORD_ARRAY); #if COGL_DEBUG printf("=== Drawing Tex Quad (Hardware Tiling Mode) ===\n"); #endif - - _COGL_GET_CONTEXT (ctx, NO_RETVAL); - - /* Prepare GL state */ - if (ctx->color_alpha < 255 - || tex->bitmap.format & COGL_A_BIT) - { - enable_flags |= COGL_ENABLE_BLEND; - } - - if (ctx->enable_backface_culling) - enable_flags |= COGL_ENABLE_BACKFACE_CULLING; - cogl_enable (enable_flags); - - GE( glTexCoordPointer (2, GL_FLOAT, 0, tex_coords) ); - GE( glVertexPointer (2, GL_FLOAT, 0, quad_coords) ); - + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + /* Pick and bind opengl texture object */ gl_handle = g_array_index (tex->slice_gl_handles, GLuint, 0); - GE( cogl_gles2_wrapper_bind_texture (tex->gl_target, gl_handle, - tex->gl_intformat) ); - + + /* If we're using a different texture from the one already queued + then flush the vertices */ + if (ctx->texture_vertices->len > 0 + && gl_handle != ctx->texture_current) + _cogl_texture_flush_vertices (); + ctx->texture_target = tex->gl_target; + ctx->texture_current = gl_handle; + /* Don't include the waste in the texture coordinates */ x_span = &g_array_index (tex->slice_x_spans, CoglTexSliceSpan, 0); y_span = &g_array_index (tex->slice_y_spans, CoglTexSliceSpan, 0); @@ -2290,22 +2339,80 @@ _cogl_texture_quad_hw (CoglTexture *tex, ty1 = ty1 * (y_span->size - y_span->waste) / y_span->size; ty2 = ty2 * (y_span->size - y_span->waste) / y_span->size; -#define CFX_F(x) COGL_FIXED_TO_FLOAT(x) + _cogl_texture_add_quad_vertices (COGL_FIXED_TO_FLOAT (x1), + COGL_FIXED_TO_FLOAT (y1), + COGL_FIXED_TO_FLOAT (x2), + COGL_FIXED_TO_FLOAT (y2), + COGL_FIXED_TO_FLOAT (tx1), + COGL_FIXED_TO_FLOAT (ty1), + COGL_FIXED_TO_FLOAT (tx2), + COGL_FIXED_TO_FLOAT (ty2)); +} + +void +cogl_texture_multiple_rectangles (CoglHandle handle, + const CoglFixed *verts, + guint n_rects) +{ + CoglTexture *tex; + gulong enable_flags = (COGL_ENABLE_VERTEX_ARRAY + | COGL_ENABLE_TEXCOORD_ARRAY + | COGL_ENABLE_TEXTURE_2D); + + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + /* Check if valid texture */ + if (!cogl_is_texture (handle)) + return; - /* Draw textured quad */ - tex_coords[0] = CFX_F(tx1); tex_coords[1] = CFX_F(ty2); - tex_coords[2] = CFX_F(tx2); tex_coords[3] = CFX_F(ty2); - tex_coords[4] = CFX_F(tx1); tex_coords[5] = CFX_F(ty1); - tex_coords[6] = CFX_F(tx2); tex_coords[7] = CFX_F(ty1); + cogl_clip_ensure (); - quad_coords[0] = CFX_F(x1); quad_coords[1] = CFX_F(y2); - quad_coords[2] = CFX_F(x2); quad_coords[3] = CFX_F(y2); - quad_coords[4] = CFX_F(x1); quad_coords[5] = CFX_F(y1); - quad_coords[6] = CFX_F(x2); quad_coords[7] = CFX_F(y1); + tex = _cogl_texture_pointer_from_handle (handle); + + /* Make sure we got stuff to draw */ + if (tex->slice_gl_handles == NULL) + return; + + if (tex->slice_gl_handles->len == 0) + return; - GE (glDrawArrays (GL_TRIANGLE_STRIP, 0, 4) ); + /* Prepare GL state */ + if (ctx->color_alpha < 255 + || tex->bitmap.format & COGL_A_BIT) + enable_flags |= COGL_ENABLE_BLEND; -#undef CFX_F + if (ctx->enable_backface_culling) + enable_flags |= COGL_ENABLE_BACKFACE_CULLING; + + cogl_enable (enable_flags); + + g_array_set_size (ctx->texture_vertices, 0); + + while (n_rects-- > 0) + { + if (verts[4] != verts[6] && verts[5] != verts[7]) + { + /* If there is only one GL texture and either the texture is + NPOT (no waste) or all of the coordinates are in the + range [0,1] then we can use hardware tiling */ + if (tex->slice_gl_handles->len == 1 + && ((cogl_features_available (COGL_FEATURE_TEXTURE_NPOT) + && tex->gl_target == GL_TEXTURE_2D) + || (verts[4] >= 0 && verts[4] <= COGL_FIXED_1 + && verts[6] >= 0 && verts[6] <= COGL_FIXED_1 + && verts[5] >= 0 && verts[5] <= COGL_FIXED_1 + && verts[7] >= 0 && verts[7] <= COGL_FIXED_1))) + _cogl_texture_quad_hw (tex, verts[0],verts[1], verts[2],verts[3], + verts[4],verts[5], verts[6],verts[7]); + else + _cogl_texture_quad_sw (tex, verts[0],verts[1], verts[2],verts[3], + verts[4],verts[5], verts[6],verts[7]); + } + + verts += 8; + } + + _cogl_texture_flush_vertices (); } void @@ -2319,47 +2426,18 @@ cogl_texture_rectangle (CoglHandle handle, CoglFixed tx2, CoglFixed ty2) { - CoglTexture *tex; - - /* Check if valid texture */ - if (!cogl_is_texture (handle)) - return; + CoglFixed verts[8]; - cogl_clip_ensure (); - - tex = _cogl_texture_pointer_from_handle (handle); - - /* Make sure we got stuff to draw */ - if (tex->slice_gl_handles == NULL) - return; - - if (tex->slice_gl_handles->len == 0) - return; - - if (tx1 == tx2 || ty1 == ty2) - return; - - /* Pick tiling mode according to hw support */ - if (cogl_features_available (COGL_FEATURE_TEXTURE_NPOT) - && tex->slice_gl_handles->len == 1) - { - _cogl_texture_quad_hw (tex, x1,y1, x2,y2, tx1,ty1, tx2,ty2); - } - else - { - if (tex->slice_gl_handles->len == 1 - && tx1 >= -COGL_FIXED_1 - && tx2 <= COGL_FIXED_1 - && ty1 >= -COGL_FIXED_1 - && ty2 <= COGL_FIXED_1) - { - _cogl_texture_quad_hw (tex, x1,y1, x2,y2, tx1,ty1, tx2,ty2); - } - else - { - _cogl_texture_quad_sw (tex, x1,y1, x2,y2, tx1,ty1, tx2,ty2); - } - } + verts[0] = x1; + verts[1] = y1; + verts[2] = x2; + verts[3] = y2; + verts[4] = tx1; + verts[5] = ty1; + verts[6] = tx2; + verts[7] = ty2; + + cogl_texture_multiple_rectangles (handle, verts, 1); } void @@ -2405,23 +2483,9 @@ cogl_texture_polygon (CoglHandle handle, /* Make sure there is enough space in the global texture vertex array. This is used so we can render the polygon with a single call to OpenGL but still support any number of vertices */ - if (ctx->texture_vertices_size < n_vertices) - { - guint nsize = ctx->texture_vertices_size; - - if (nsize == 0) - nsize = 1; - do - nsize *= 2; - while (nsize < n_vertices); - - ctx->texture_vertices_size = nsize; + g_array_set_size (ctx->texture_vertices, n_vertices); + p = (CoglTextureGLVertex *) ctx->texture_vertices->data; - ctx->texture_vertices = g_realloc (ctx->texture_vertices, - nsize - * sizeof (CoglTextureGLVertex)); - } - /* Prepare GL state */ enable_flags = (COGL_ENABLE_TEXTURE_2D | COGL_ENABLE_VERTEX_ARRAY @@ -2447,14 +2511,12 @@ cogl_texture_polygon (CoglHandle handle, if (use_color) { enable_flags |= COGL_ENABLE_COLOR_ARRAY; - GE( glColorPointer (4, GL_UNSIGNED_BYTE, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].c) ); - } + GE( glColorPointer (4, GL_UNSIGNED_BYTE, + sizeof (CoglTextureGLVertex), p->c) ); + } - GE( glVertexPointer (3, GL_FLOAT, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].v) ); - GE( glTexCoordPointer (2, GL_FLOAT, sizeof (CoglTextureGLVertex), - ctx->texture_vertices[0].t) ); + GE( glVertexPointer (3, GL_FLOAT, sizeof (CoglTextureGLVertex), p->v ) ); + GE( glTexCoordPointer (2, GL_FLOAT, sizeof (CoglTextureGLVertex), p->t ) ); cogl_enable (enable_flags); @@ -2464,7 +2526,7 @@ cogl_texture_polygon (CoglHandle handle, /* Convert the vertices into an array of GLfloats ready to pass to OpenGL */ - for (i = 0, p = ctx->texture_vertices; i < n_vertices; i++, p++) + for (i = 0; i < n_vertices; i++, p++) { #define CFX_F COGL_FIXED_TO_FLOAT