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Another Cogl gl vs gles normalizaion pass

Browse Source 
This tries to make a number of files more comparable with the intention of
moving some code into cogl/common/

Files normalized:
 cogl.c
 cogl-context.c
 cogl-context.h
 cogl-texture.c
This commit is contained in:
Robert Bragg 2009-01-28 14:09:51 +00:00
parent 081f2056bc
commit 6516dd3033
6 changed files with 233 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
clutter/cogl/gl/cogl-context.h
View File

@ -49,12 +49,7 @@ typedef struct
gboolean enable_backface_culling;
/* Cache of inverse projection matrix */
GLfloat inverse_projection[16];
/* Textures */
GArray *texture_handles;
CoglHandle default_gl_texture_2d_tex;
CoglHandle default_gl_texture_rect_tex;
float inverse_projection[16];
/* Materials */
GArray *material_handles;
@ -62,6 +57,12 @@ typedef struct
CoglHandle default_material;
CoglHandle source_material;
/* Textures */
GArray *texture_handles;
CoglHandle default_gl_texture_2d_tex;
CoglHandle default_gl_texture_rect_tex;
/* Batching geometry... */
/* We journal the texture rectangles we want to submit to OpenGL so
* we have an oppertunity to optimise the final order so that we

33
clutter/cogl/gl/cogl-texture.c
View File

@ -52,10 +52,16 @@
} */
#ifdef HAVE_COGL_GL
#ifdef glDrawRangeElements
#undef glDrawRangeElements
#endif
#define glDrawRangeElements ctx->pf_glDrawRangeElements
#else
/* GLES doesn't have glDrawRangeElements, so we simply pretend it does
* but that it makes no use of the start, end constraints: */
#define glDrawRangeElements(mode, start, end, count, type, indices) \
glDrawElements (mode, count, type, indices)
#endif
static void _cogl_journal_flush (void);
@ -1967,6 +1973,7 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
int i;
gulong enable_flags = 0;
guint32 disable_mask;
int prev_n_texcoord_arrays_enabled;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -2027,12 +2034,14 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
GE (glEnableClientState (GL_TEXTURE_COORD_ARRAY));
GE (glTexCoordPointer (2, GL_FLOAT, stride, vertex_pointer + 2 + 2 * i));
}
for (; i < ctx->n_texcoord_arrays_enabled; i++)
prev_n_texcoord_arrays_enabled =
ctx->n_texcoord_arrays_enabled;
ctx->n_texcoord_arrays_enabled = i + 1;
for (; i < prev_n_texcoord_arrays_enabled; i++)
{
GE (glClientActiveTexture (GL_TEXTURE0 + i));
GE (glDisableClientState (GL_TEXTURE_COORD_ARRAY));
}
ctx->n_texcoord_arrays_enabled = 0;
/* FIXME: This api is a bit yukky, ideally it will be removed if we
* re-work the cogl_enable mechanism */
@ -2046,7 +2055,7 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
GE (glVertexPointer (2, GL_FLOAT, stride, vertex_pointer));
GE (ctx->pf_glDrawRangeElements (GL_TRIANGLES,
GE (glDrawRangeElements (GL_TRIANGLES,
0, ctx->static_indices->len - 1,
6 * batch_len,
GL_UNSIGNED_SHORT,
@ -2995,6 +3004,7 @@ cogl_polygon (CoglTextureVertex *vertices,
guint stride;
gsize stride_bytes;
GLfloat *v;
int prev_n_texcoord_arrays_enabled;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -3049,12 +3059,13 @@ cogl_polygon (CoglTextureVertex *vertices,
return;
}
#ifdef HAVE_COGL_GL
/* Temporarily change the wrapping mode on all of the slices to use
* a transparent border
* XXX: it's doesn't look like we save/restore this, like the comment
* implies? */
_cogl_texture_set_wrap_mode_parameter (tex, GL_CLAMP_TO_BORDER);
#endif
break;
}
@ -3110,6 +3121,14 @@ cogl_polygon (CoglTextureVertex *vertices,
/* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */
v + 3 + 2 * i));
}
prev_n_texcoord_arrays_enabled =
ctx->n_texcoord_arrays_enabled;
ctx->n_texcoord_arrays_enabled = i + 1;
for (; i < prev_n_texcoord_arrays_enabled; i++)
{
GE (glClientActiveTexture (GL_TEXTURE0 + i));
GE (glDisableClientState (GL_TEXTURE_COORD_ARRAY));
}
if (use_sliced_polygon_fallback)
_cogl_texture_sliced_polygon (vertices,

43
clutter/cogl/gl/cogl.c
View File

@ -45,6 +45,10 @@ typedef CoglFuncPtr (*GLXGetProcAddressProc) (const guint8 *procName);
#include "cogl-util.h"
#include "cogl-context.h"
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
#include "cogl-gles2-wrapper.h"
#endif
/* GL error to string conversion */
#if COGL_DEBUG
struct token_string
@ -388,7 +392,11 @@ set_clip_plane (GLint plane_num,
const float *vertex_a,
const float *vertex_b)
{
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GLfloat plane[4];
#else
GLdouble plane[4];
#endif
GLfloat angle;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -414,7 +422,11 @@ set_clip_plane (GLint plane_num,
plane[1] = -1.0;
plane[2] = 0;
plane[3] = vertex_a[1];
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GE( glClipPlanef (plane_num, plane) );
#else
GE( glClipPlane (plane_num, plane) );
#endif
GE( glPopMatrix () );
}
@ -473,6 +485,8 @@ _cogl_add_stencil_clip (float x_offset,
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
cogl_material_flush_gl_state (ctx->stencil_material);
if (first)
{
GE( glEnable (GL_STENCIL_TEST) );
@ -484,10 +498,9 @@ _cogl_add_stencil_clip (float x_offset,
/* Punch out a hole to allow the rectangle */
GE( glStencilFunc (GL_NEVER, 0x1, 0x1) );
GE( glStencilOp (GL_REPLACE, GL_REPLACE, GL_REPLACE) );
GE( glRectf ( (x_offset),
(y_offset),
(x_offset + width),
(y_offset + height)) );
cogl_rectangle (x_offset, y_offset,
x_offset + width, y_offset + height);
}
else
{
@ -495,10 +508,8 @@ _cogl_add_stencil_clip (float x_offset,
rectangle */
GE( glStencilFunc (GL_NEVER, 0x1, 0x3) );
GE( glStencilOp (GL_INCR, GL_INCR, GL_INCR) );
GE( glRectf ( (x_offset),
(y_offset),
(x_offset + width),
(y_offset + height)) );
cogl_rectangle (x_offset, y_offset,
x_offset + width, y_offset + height);
/* Subtract one from all pixels in the stencil buffer so that
only pixels where both the original stencil buffer and the
@ -509,7 +520,7 @@ _cogl_add_stencil_clip (float x_offset,
GE( glMatrixMode (GL_PROJECTION) );
GE( glPushMatrix () );
GE( glLoadIdentity () );
GE( glRectf (-1, 1, 1, -1) );
cogl_rectangle (-1.0, -1.0, 1.0, 1.0);
GE( glPopMatrix () );
GE( glMatrixMode (GL_MODELVIEW) );
GE( glPopMatrix () );
@ -1121,7 +1132,18 @@ cogl_get_projection_matrix (float m[16])
void
cogl_get_viewport (float v[4])
{
/* FIXME: cogl_get_viewport should return a gint vec */
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GLint viewport[4];
int i;
glGetIntegerv (GL_VIEWPORT, viewport);
for (i = 0; i < 4; i++)
v[i] = (float)(viewport[i]);
#else
glGetFloatv (GL_VIEWPORT, v);
#endif
}
void
@ -1167,7 +1189,8 @@ cogl_fog_set (const CoglColor *fog_color,
glFogfv (GL_FOG_COLOR, fogColor);
glFogi (GL_FOG_MODE, GL_LINEAR);
/* NB: GLES doesn't have glFogi */
glFogf (GL_FOG_MODE, GL_LINEAR);
glHint (GL_FOG_HINT, GL_NICEST);
glFogf (GL_FOG_DENSITY, (GLfloat) density);

8
clutter/cogl/gles/cogl-context.c
View File

@ -107,22 +107,22 @@ cogl_create_context ()
cogl_texture_new_from_data (1, /* width */
1, /* height */
-1, /* max waste */
FALSE, /* auto mipmap */
COGL_TEXTURE_NONE, /* flags */
COGL_PIXEL_FORMAT_RGBA_8888, /* data format */
/* internal format */
COGL_PIXEL_FORMAT_RGBA_8888,
0, /* auto calc row stride */
&default_texture_data);
default_texture_data);
_context->default_gl_texture_rect_tex =
cogl_texture_new_from_data (1, /* width */
1, /* height */
-1, /* max waste */
FALSE, /* auto mipmap */
COGL_TEXTURE_NONE, /* flags */
COGL_PIXEL_FORMAT_RGBA_8888, /* data format */
/* internal format */
COGL_PIXEL_FORMAT_RGBA_8888,
0, /* auto calc row stride */
&default_texture_data);
default_texture_data);
cogl_set_source (_context->default_material);
cogl_material_flush_gl_state (_context->source_material, NULL);

242
clutter/cogl/gles/cogl-texture.c
View File

@ -2086,6 +2086,7 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
int i;
gulong enable_flags = 0;
guint32 disable_mask;
int prev_n_texcoord_arrays_enabled;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -2146,14 +2147,14 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
GE (glEnableClientState (GL_TEXTURE_COORD_ARRAY));
GE (glTexCoordPointer (2, GL_FLOAT, stride, vertex_pointer + 2 + 2 * i));
}
/* XXX: Without this we get a segfault with the PVR SDK.
* We should probably be doing this for cogl/gl too though. */
for (; i < ctx->n_texcoord_arrays_enabled; i++)
prev_n_texcoord_arrays_enabled =
ctx->n_texcoord_arrays_enabled;
ctx->n_texcoord_arrays_enabled = i + 1;
for (; i < prev_n_texcoord_arrays_enabled; i++)
{
GE (glClientActiveTexture (GL_TEXTURE0 + i));
GE (glDisableClientState (GL_TEXTURE_COORD_ARRAY));
}
ctx->n_texcoord_arrays_enabled = i + 1;
/* FIXME: This api is a bit yukky, ideally it will be removed if we
* re-work the cogl_enable mechanism */
@ -2172,6 +2173,33 @@ _cogl_journal_flush_quad_batch (CoglJournalEntry *batch_start,
6 * batch_len,
GL_UNSIGNED_SHORT,
ctx->static_indices->data));
/* DEBUGGING CODE XXX:
* Uncommenting this will cause all rectangles to be drawn with a red, green
* or blue outline with no blending. This may e.g. help with debugging
* texture slicing issues or blending issues, plus it looks quite cool.
*/
#if 0
{
static CoglHandle outline = COGL_INVALID_HANDLE;
static int color = 0;
if (outline == COGL_INVALID_HANDLE)
outline = cogl_material_new ();
cogl_enable (COGL_ENABLE_VERTEX_ARRAY);
for (i = 0; i < batch_len; i++, color = (++color) % 3)
{
cogl_material_set_color4ub (outline,
color == 0 ? 0xff : 0x00,
color == 1 ? 0xff : 0x00,
color == 2 ? 0xff : 0x00,
0xff);
cogl_material_flush_gl_state (outline, NULL);
GE( glDrawArrays (GL_LINE_LOOP, 4 * i, 4) );
}
}
#endif
}
static void
@ -2234,8 +2262,6 @@ _cogl_journal_flush (void)
stride = 2 + current_entry->n_layers * 2;
current_vertex_pointer += stride;
#warning "NB: re-enable batching"
#if 1
/* batch rectangles using the same textures */
if (current_entry->material == prev_entry->material &&
current_entry->n_layers == prev_entry->n_layers &&
@ -2246,7 +2272,6 @@ _cogl_journal_flush (void)
batch_len++;
continue;
}
#endif
_cogl_journal_flush_quad_batch (batch_start,
batch_len,
@ -2268,10 +2293,10 @@ _cogl_journal_flush (void)
}
static void
_cogl_journal_log_quad (float x1,
float y1,
float x2,
float y2,
_cogl_journal_log_quad (float x_1,
float y_1,
float x_2,
float y_2,
CoglHandle material,
gint n_layers,
guint32 fallback_mask,
@ -2308,13 +2333,13 @@ _cogl_journal_log_quad (float x1,
/* XXX: we could defer expanding the vertex data for GL until we come
* to flushing the journal. */
v[0] = x1; v[1] = y1;
v[0] = x_1; v[1] = y_1;
v += stride;
v[0] = x1; v[1] = y2;
v[0] = x_1; v[1] = y_2;
v += stride;
v[0] = x2; v[1] = y2;
v[0] = x_2; v[1] = y_2;
v += stride;
v[0] = x2; v[1] = y1;
v[0] = x_2; v[1] = y_1;
for (i = 0; i < n_layers; i++)
{
@ -2343,14 +2368,14 @@ _cogl_journal_log_quad (float x1,
static void
_cogl_texture_sliced_quad (CoglTexture *tex,
CoglHandle material,
float x1,
float y1,
float x2,
float y2,
float tx1,
float ty1,
float tx2,
float ty2)
float x_1,
float y_1,
float x_2,
float y_2,
float tx_1,
float ty_1,
float tx_2,
float ty_2)
{
CoglSpanIter iter_x , iter_y;
float tw , th;
@ -2377,52 +2402,52 @@ _cogl_texture_sliced_quad (CoglTexture *tex,
geometry and texture coordinates so that the texture will be
flipped but we can still use the same algorithm to iterate the
slices */
if (tx2 < tx1)
if (tx_2 < tx_1)
{
float temp = x1;
x1 = x2;
x2 = temp;
temp = tx1;
tx1 = tx2;
tx2 = temp;
float temp = x_1;
x_1 = x_2;
x_2 = temp;
temp = tx_1;
tx_1 = tx_2;
tx_2 = temp;
}
if (ty2 < ty1)
if (ty_2 < ty_1)
{
float temp = y1;
y1 = y2;
y2 = temp;
temp = ty1;
ty1 = ty2;
ty2 = temp;
float temp = y_1;
y_1 = y_2;
y_2 = temp;
temp = ty_1;
ty_1 = ty_2;
ty_2 = temp;
}
/* Scale ratio from texture to quad widths */
tw = (float)(tex->bitmap.width);
th = (float)(tex->bitmap.height);
tqx = (x2 - x1) / (tw * (tx2 - tx1));
tqy = (y2 - y1) / (th * (ty2 - ty1));
tqx = (x_2 - x_1) / (tw * (tx_2 - tx_1));
tqy = (y_2 - y_1) / (th * (ty_2 - ty_1));
/* Integral texture coordinate for first tile */
first_tx = (float)(floorf (tx1));
first_ty = (float)(floorf (ty1));
first_tx = (float)(floorf (tx_1));
first_ty = (float)(floorf (ty_1));
/* Denormalize texture coordinates */
first_tx = (first_tx * tw);
first_ty = (first_ty * th);
tx1 = (tx1 * tw);
ty1 = (ty1 * th);
tx2 = (tx2 * tw);
ty2 = (ty2 * th);
tx_1 = (tx_1 * tw);
ty_1 = (ty_1 * th);
tx_2 = (tx_2 * tw);
ty_2 = (ty_2 * th);
/* Quad coordinate of the first tile */
first_qx = x1 - (tx1 - first_tx) * tqx;
first_qy = y1 - (ty1 - first_ty) * tqy;
first_qx = x_1 - (tx_1 - first_tx) * tqx;
first_qy = y_1 - (ty_1 - first_ty) * tqy;
/* Iterate until whole quad height covered */
for (_cogl_span_iter_begin (&iter_y, tex->slice_y_spans,
first_ty, ty1, ty2) ;
first_ty, ty_1, ty_2) ;
!_cogl_span_iter_end (&iter_y) ;
_cogl_span_iter_next (&iter_y) )
{
@ -2445,7 +2470,7 @@ _cogl_texture_sliced_quad (CoglTexture *tex,
/* Iterate until whole quad width covered */
for (_cogl_span_iter_begin (&iter_x, tex->slice_x_spans,
first_tx, tx1, tx2) ;
first_tx, tx_1, tx_2) ;
!_cogl_span_iter_end (&iter_x) ;
_cogl_span_iter_next (&iter_x) )
{
@ -2502,10 +2527,10 @@ _cogl_texture_sliced_quad (CoglTexture *tex,
}
static gboolean
_cogl_multitexture_unsliced_quad (float x1,
float y1,
float x2,
float y2,
_cogl_multitexture_unsliced_quad (float x_1,
float y_1,
float x_2,
float y_2,
CoglHandle material,
gint n_layers,
guint32 fallback_mask,
@ -2619,10 +2644,10 @@ _cogl_multitexture_unsliced_quad (float x1,
}
else
{
out_tex_coords[0] = 0; /* tx1 */
out_tex_coords[1] = 0; /* ty1 */
out_tex_coords[2] = 1.0; /* tx2 */
out_tex_coords[3] = 1.0; /* ty2 */
out_tex_coords[0] = 0; /* tx_1 */
out_tex_coords[1] = 0; /* ty_1 */
out_tex_coords[2] = 1.0; /* tx_2 */
out_tex_coords[3] = 1.0; /* ty_2 */
_cogl_texture_set_wrap_mode_parameter (tex, GL_CLAMP_TO_EDGE);
}
@ -2641,10 +2666,10 @@ _cogl_multitexture_unsliced_quad (float x1,
out_tex_coords[3] * (y_span->size - y_span->waste) / y_span->size;
}
_cogl_journal_log_quad (x1,
y1,
x2,
y2,
_cogl_journal_log_quad (x_1,
y_1,
x_2,
y_2,
material,
n_layers,
fallback_mask,
@ -2657,10 +2682,10 @@ _cogl_multitexture_unsliced_quad (float x1,
struct _CoglMutiTexturedRect
{
float x1;
float y1;
float x2;
float y2;
float x_1;
float y_1;
float x_2;
float y_2;
const float *tex_coords;
gint tex_coords_len;
};
@ -2768,27 +2793,25 @@ _cogl_rectangles_with_multitexture_coords (
for (i = 0; i < n_rects; i++)
{
if (all_use_sliced_quad_fallback
|| !_cogl_multitexture_unsliced_quad (rects[i].x1, rects[i].y1,
rects[i].x2, rects[i].y2,
|| !_cogl_multitexture_unsliced_quad (rects[i].x_1, rects[i].y_1,
rects[i].x_2, rects[i].y_2,
material,
n_layers,
fallback_mask,
rects[i].tex_coords,
rects[i].tex_coords_len))
{
const GList *layers;
CoglHandle tex_handle;
CoglHandle first_layer, tex_handle;
CoglTexture *texture;
layers = cogl_material_get_layers (material);
tex_handle =
cogl_material_layer_get_texture ((CoglHandle)layers->data);
first_layer = layers->data;
tex_handle = cogl_material_layer_get_texture (first_layer);
texture = _cogl_texture_pointer_from_handle (tex_handle);
if (rects[i].tex_coords)
_cogl_texture_sliced_quad (texture,
material,
rects[i].x1, rects[i].y1,
rects[i].x2, rects[i].y2,
rects[i].x_1, rects[i].y_1,
rects[i].x_2, rects[i].y_2,
rects[i].tex_coords[0],
rects[i].tex_coords[1],
rects[i].tex_coords[2],
@ -2796,8 +2819,8 @@ _cogl_rectangles_with_multitexture_coords (
else
_cogl_texture_sliced_quad (texture,
material,
rects[i].x1, rects[i].y1,
rects[i].x2, rects[i].y2,
rects[i].x_1, rects[i].y_1,
rects[i].x_2, rects[i].y_2,
0.0f, 0.0f, 1.0f, 1.0f);
}
}
@ -2814,10 +2837,10 @@ cogl_rectangles_with_texture_coords (const float *verts,
for (i = 0; i < n_rects; i++)
{
rects[i].x1 = verts[i * 8];
rects[i].y1 = verts[i * 8 + 1];
rects[i].x2 = verts[i * 8 + 2];
rects[i].y2 = verts[i * 8 + 3];
rects[i].x_1 = verts[i * 8];
rects[i].y_1 = verts[i * 8 + 1];
rects[i].x_2 = verts[i * 8 + 2];
rects[i].y_2 = verts[i * 8 + 3];
/* FIXME: rect should be defined to have a const float *geom;
* instead, to avoid this copy
* rect[i].geom = &verts[n_rects * 8]; */
@ -2829,43 +2852,43 @@ cogl_rectangles_with_texture_coords (const float *verts,
}
void
cogl_rectangle_with_texture_coords (float x1,
float y1,
float x2,
float y2,
float tx1,
float ty1,
float tx2,
float ty2)
cogl_rectangle_with_texture_coords (float x_1,
float y_1,
float x_2,
float y_2,
float tx_1,
float ty_1,
float tx_2,
float ty_2)
{
float verts[8];
verts[0] = x1;
verts[1] = y1;
verts[2] = x2;
verts[3] = y2;
verts[4] = tx1;
verts[5] = ty1;
verts[6] = tx2;
verts[7] = ty2;
verts[0] = x_1;
verts[1] = y_1;
verts[2] = x_2;
verts[3] = y_2;
verts[4] = tx_1;
verts[5] = ty_1;
verts[6] = tx_2;
verts[7] = ty_2;
cogl_rectangles_with_texture_coords (verts, 1);
}
void
cogl_rectangle_with_multitexture_coords (float x1,
float y1,
float x2,
float y2,
cogl_rectangle_with_multitexture_coords (float x_1,
float y_1,
float x_2,
float y_2,
const float *user_tex_coords,
gint user_tex_coords_len)
{
struct _CoglMutiTexturedRect rect;
rect.x1 = x1;
rect.y1 = y1;
rect.x2 = x2;
rect.y2 = y2;
rect.x_1 = x_1;
rect.y_1 = y_1;
rect.x_2 = x_2;
rect.y_2 = y_2;
rect.tex_coords = user_tex_coords;
rect.tex_coords_len = user_tex_coords_len;
@ -2985,7 +3008,6 @@ _cogl_multitexture_unsliced_polygon (CoglTextureVertex *vertices,
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
v = (GLfloat *)ctx->logged_vertices->data;
material = ctx->source_material;
layers = cogl_material_get_layers (material);
@ -3065,6 +3087,7 @@ cogl_polygon (CoglTextureVertex *vertices,
guint stride;
gsize stride_bytes;
GLfloat *v;
int prev_n_texcoord_arrays_enabled;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -3175,11 +3198,20 @@ cogl_polygon (CoglTextureVertex *vertices,
for (i = 0; i < n_layers; i++)
{
GE (glClientActiveTexture (GL_TEXTURE0 + i));
GE (glEnableClientState (GL_TEXTURE_COORD_ARRAY));
GE (glTexCoordPointer (2, GL_FLOAT,
stride_bytes,
/* NB: [X,Y,Z,TX,TY...,R,G,B,A,...] */
v + 3 + 2 * i));
}
prev_n_texcoord_arrays_enabled =
ctx->n_texcoord_arrays_enabled;
ctx->n_texcoord_arrays_enabled = i + 1;
for (; i < prev_n_texcoord_arrays_enabled; i++)
{
GE (glClientActiveTexture (GL_TEXTURE0 + i));
GE (glDisableClientState (GL_TEXTURE_COORD_ARRAY));
}
if (use_sliced_polygon_fallback)
_cogl_texture_sliced_polygon (vertices,

26
clutter/cogl/gles/cogl.c
View File

@ -30,14 +30,24 @@
#include "cogl.h"
#include <string.h>
#include <gmodule.h>
#include <math.h>
#include <stdlib.h>
#ifdef HAVE_CLUTTER_GLX
#include <dlfcn.h>
#include <GL/glx.h>
typedef CoglFuncPtr (*GLXGetProcAddressProc) (const guint8 *procName);
#endif
#include "cogl-internal.h"
#include "cogl-util.h"
#include "cogl-context.h"
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
#include "cogl-gles2-wrapper.h"
#include <math.h>
#endif
/* GL error to string conversion */
#if COGL_DEBUG
@ -305,7 +315,11 @@ set_clip_plane (GLint plane_num,
const float *vertex_a,
const float *vertex_b)
{
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GLfloat plane[4];
#else
GLdouble plane[4];
#endif
GLfloat angle;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -331,7 +345,11 @@ set_clip_plane (GLint plane_num,
plane[1] = -1.0;
plane[2] = 0;
plane[3] = vertex_a[1];
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GE( glClipPlanef (plane_num, plane) );
#else
GE( glClipPlane (plane_num, plane) );
#endif
GE( glPopMatrix () );
}
@ -677,6 +695,8 @@ cogl_get_projection_matrix (float m[16])
void
cogl_get_viewport (float v[4])
{
/* FIXME: cogl_get_viewport should return a gint vec */
#if defined (HAVE_COGL_GLES2) || defined (HAVE_COGL_GLES)
GLint viewport[4];
int i;
@ -684,6 +704,9 @@ cogl_get_viewport (float v[4])
for (i = 0; i < 4; i++)
v[i] = (float)(viewport[i]);
#else
glGetFloatv (GL_VIEWPORT, v);
#endif
}
void
@ -729,6 +752,7 @@ cogl_fog_set (const CoglColor *fog_color,
glFogfv (GL_FOG_COLOR, fogColor);
/* NB: GLES doesn't have glFogi */
glFogf (GL_FOG_MODE, GL_LINEAR);
glHint (GL_FOG_HINT, GL_NICEST);