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* clutter/cogl/gles/cogl-texture.c: Use the wrapper for

Browse Source 
glTexParameteri. Call glGenerateMipmap after every change to the
	texture image data.

	* clutter/cogl/gles/cogl-gles2-wrapper.h:
	* clutter/cogl/gles/cogl-gles2-wrapper.c: Added a wrapper for
	glTexParameteri so that it can ignore requests to set
	GL_GENERATE_MIPMAP. Added a wrapper for glGenerateMipmap that does
	nothing on GLES 1
This commit is contained in:
Neil Roberts 2008-05-28 10:47:21 +00:00
parent f177aedcff
commit 49752b06d3
3 changed files with 41 additions and 9 deletions
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7
gles/cogl-gles2-wrapper.c
View File

@ -630,3 +630,10 @@ cogl_wrap_glFogxv (GLenum pname, const GLfixed *params)
{
/* FIXME */
}
void
cogl_wrap_glTexParameteri (GLenum target, GLenum pname, GLfloat param)
{
if (pname != GL_GENERATE_MIPMAP)
glTexParameteri (target, pname, param);
}

10
gles/cogl-gles2-wrapper.h
View File

@ -148,9 +148,14 @@ void cogl_wrap_glFogxv (GLenum pname, const GLfixed *params);
void cogl_wrap_glDrawArrays (GLenum mode, GLint first, GLsizei count);
void cogl_wrap_glTexParameteri (GLenum target, GLenum pname, GLfloat param);
void cogl_gles2_wrapper_bind_texture (GLenum target, GLuint texture,
GLenum internal_format);
/* This function is only available on GLES 2 */
#define cogl_wrap_glGenerateMipmap glGenerateMipmap
#else /* HAVE_COGL_GLES2 */
/* If we're not using GL ES 2 then just use the GL functions
@ -181,12 +186,17 @@ void cogl_gles2_wrapper_bind_texture (GLenum target, GLuint texture,
#define cogl_wrap_glGetFixedv glGetFixedv
#define cogl_wrap_glFogx glFogx
#define cogl_wrap_glFogxv glFogxv
#define cogl_wrap_glTexParameteri glTexParameteri
/* The extra third parameter of the bind texture wrapper isn't needed
so we can just directly call glBindTexture */
#define cogl_gles2_wrapper_bind_texture(target, texture, internal_format) \
glBindTexture ((target), (texture))
/* COGL uses the automatic mipmap generation for GLES 1 so
glGenerateMipmap doesn't need to do anything */
#define cogl_wrap_glGenerateMipmap(x) ((void) 0)
#endif /* HAVE_COGL_GLES2 */
G_END_DECLS

33
gles/cogl-texture.c
View File

@ -232,6 +232,9 @@ _cogl_texture_upload_to_gl (CoglTexture *tex)
slice_bmp.height,
tex->gl_format, tex->gl_type,
slice_bmp.data) );
if (tex->auto_mipmap)
cogl_wrap_glGenerateMipmap (tex->gl_target);
/* Free temp bitmap */
g_free (slice_bmp.data);
@ -603,6 +606,9 @@ _cogl_texture_upload_subregion_to_gl (CoglTexture *tex,
source_gl_type,
slice_bmp.data) );
if (tex->auto_mipmap)
cogl_wrap_glGenerateMipmap (tex->gl_target);
/* Free temp bitmap */
g_free (slice_bmp.data);
}
@ -816,13 +822,18 @@ _cogl_texture_slices_create (CoglTexture *tex)
gl_handles[y * n_x_slices + x],
tex->gl_intformat) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_MAG_FILTER, tex->mag_filter) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_MIN_FILTER, tex->min_filter) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_MAG_FILTER,
tex->mag_filter) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_MIN_FILTER,
tex->min_filter) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_EDGE) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_EDGE) );
if (tex->auto_mipmap)
GE( glTexParameteri (tex->gl_target, GL_GENERATE_MIPMAP, GL_TRUE) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_GENERATE_MIPMAP,
GL_TRUE) );
/* Pass NULL data to init size and internal format */
GE( glTexImage2D (tex->gl_target, 0, tex->gl_intformat,
@ -1351,8 +1362,10 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
g_array_append_val (tex->slice_gl_handles, gl_handle);
/* Force appropriate wrap parameter */
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_S,
GL_CLAMP_TO_EDGE) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_WRAP_T,
GL_CLAMP_TO_EDGE) );
return _cogl_texture_handle_new (tex);
}
@ -1554,8 +1567,10 @@ cogl_texture_set_filters (CoglHandle handle,
{
gl_handle = g_array_index (tex->slice_gl_handles, GLuint, i);
GE( glBindTexture (tex->gl_target, gl_handle) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_MAG_FILTER, tex->mag_filter) );
GE( glTexParameteri (tex->gl_target, GL_TEXTURE_MIN_FILTER, tex->min_filter) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_MAG_FILTER,
tex->mag_filter) );
GE( cogl_wrap_glTexParameteri (tex->gl_target, GL_TEXTURE_MIN_FILTER,
tex->min_filter) );
}
}