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cogl: Remove unused cogl_{begin,end}_gl API

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Any GL calls we want to make should be inside cogl already.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/500
This commit is contained in:
Adam Jackson 2019-03-19 18:00:03 -04:00 committed by Jonas Ådahl
parent 7e8a864992
commit b7ef8796b2
7 changed files with 0 additions and 191 deletions
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2
cogl/cogl/cogl-context-private.h
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@ -231,8 +231,6 @@ struct _CoglContext
CoglIndices *rectangle_short_indices;
int rectangle_short_indices_len;
gboolean in_begin_gl_block;
CoglPipeline *texture_download_pipeline;
CoglPipeline *blit_texture_pipeline;

2
cogl/cogl/cogl-context.c
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@ -347,8 +347,6 @@ cogl_context_new (CoglDisplay *display,
context->current_path = NULL;
context->stencil_pipeline = cogl_pipeline_new (context);
context->in_begin_gl_block = FALSE;
context->quad_buffer_indices_byte = NULL;
context->quad_buffer_indices = NULL;
context->quad_buffer_indices_len = 0;

76
cogl/cogl/cogl.c
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@ -347,82 +347,6 @@ cogl_read_pixels (int x,
cogl_object_unref (bitmap);
}
void
cogl_begin_gl (void)
{
CoglPipeline *pipeline;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (ctx->in_begin_gl_block)
{
static gboolean shown = FALSE;
if (!shown)
g_warning ("You should not nest cogl_begin_gl/cogl_end_gl blocks");
shown = TRUE;
return;
}
ctx->in_begin_gl_block = TRUE;
/* Flush all batched primitives */
cogl_flush ();
/* Flush framebuffer state, including clip state, modelview and
* projection matrix state
*
* NB: _cogl_framebuffer_flush_state may disrupt various state (such
* as the pipeline state) when flushing the clip stack, so should
* always be done first when preparing to draw. */
_cogl_framebuffer_flush_state (cogl_get_draw_framebuffer (),
_cogl_get_read_framebuffer (),
COGL_FRAMEBUFFER_STATE_ALL);
/* Setup the state for the current pipeline */
/* We considered flushing a specific, minimal pipeline here to try and
* simplify the GL state, but decided to avoid special cases and second
* guessing what would be actually helpful.
*
* A user should instead call cogl_set_source_color4ub() before
* cogl_begin_gl() to simplify the state flushed.
*
* XXX: note defining n_tex_coord_attribs using
* cogl_pipeline_get_n_layers is a hack, but the problem is that
* n_tex_coord_attribs is usually defined when drawing a primitive
* which isn't happening here.
*
* Maybe it would be more useful if this code did flush the
* opaque_color_pipeline and then call into cogl-pipeline-opengl.c to then
* restore all state for the material's backend back to default OpenGL
* values.
*/
pipeline = cogl_get_source ();
_cogl_pipeline_flush_gl_state (ctx,
pipeline,
cogl_get_draw_framebuffer (),
FALSE,
FALSE);
/* Disable any cached vertex arrays */
_cogl_gl_disable_all_attributes (ctx);
}
void
cogl_end_gl (void)
{
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (!ctx->in_begin_gl_block)
{
static gboolean shown = FALSE;
if (!shown)
g_warning ("cogl_end_gl is being called before cogl_begin_gl");
shown = TRUE;
return;
}
ctx->in_begin_gl_block = FALSE;
}
void
cogl_push_matrix (void)
{

4
cogl/cogl/cogl.symbols
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@ -38,8 +38,6 @@ cogl_attribute_set_buffer
cogl_attribute_set_normalized
cogl_attribute_type_get_type
cogl_begin_gl
cogl_bitmap_error_get_type
cogl_bitmap_get_buffer
cogl_bitmap_get_format
@ -198,8 +196,6 @@ cogl_display_set_onscreen_template
cogl_double_to_fixed
cogl_end_gl
cogl_euler_copy
cogl_euler_equal
cogl_euler_free

91
cogl/cogl/cogl1-context.h
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@ -766,97 +766,6 @@ cogl_set_source_texture (CoglTexture *texture);
void
cogl_flush (void);
/**
* cogl_begin_gl:
*
* We do not advise nor reliably support the interleaving of raw GL drawing and
* Cogl drawing functions, but if you insist, cogl_begin_gl() and cogl_end_gl()
* provide a simple mechanism that may at least give you a fighting chance of
* succeeding.
*
* Note: this doesn't help you modify the behaviour of Cogl drawing functions
* through the modification of GL state; that will never be reliably supported,
* but if you are trying to do something like:
*
* |[
* {
* - setup some OpenGL state.
* - draw using OpenGL (e.g. glDrawArrays() )
* - reset modified OpenGL state.
* - continue using Cogl to draw
* }
* ]|
*
* You should surround blocks of drawing using raw GL with cogl_begin_gl()
* and cogl_end_gl():
*
* |[
* {
* cogl_begin_gl ();
* - setup some OpenGL state.
* - draw using OpenGL (e.g. glDrawArrays() )
* - reset modified OpenGL state.
* cogl_end_gl ();
* - continue using Cogl to draw
* }
* ]|
*
* Don't ever try and do:
*
* |[
* {
* - setup some OpenGL state.
* - use Cogl to draw
* - reset modified OpenGL state.
* }
* ]|
*
* When the internals of Cogl evolves, this is very liable to break.
*
* This function will flush all batched primitives, and subsequently flush
* all internal Cogl state to OpenGL as if it were going to draw something
* itself.
*
* The result is that the OpenGL modelview matrix will be setup; the state
* corresponding to the current source material will be set up and other world
* state such as backface culling, depth and fogging enabledness will be sent
* to OpenGL.
*
* <note>No special material state is flushed, so if you want Cogl to setup a
* simplified material state it is your responsibility to set a simple source
* material before calling cogl_begin_gl(). E.g. by calling
* cogl_set_source_color4ub().</note>
*
* <note>It is your responsibility to restore any OpenGL state that you modify
* to how it was after calling cogl_begin_gl() if you don't do this then the
* result of further Cogl calls is undefined.</note>
*
* <note>You can not nest begin/end blocks.</note>
*
* Again we would like to stress, we do not advise the use of this API and if
* possible we would prefer to improve Cogl than have developers require raw
* OpenGL.
*
* Since: 1.0
* Deprecated: 1.16: Use the #CoglGLES2Context api instead
*/
COGL_DEPRECATED_FOR (CoglGLES2Context_API)
void
cogl_begin_gl (void);
/**
* cogl_end_gl:
*
* This is the counterpart to cogl_begin_gl() used to delimit blocks of drawing
* code using raw OpenGL. Please refer to cogl_begin_gl() for full details.
*
* Since: 1.0
* Deprecated: 1.16: Use the #CoglGLES2Context api instead
*/
COGL_DEPRECATED_FOR (CoglGLES2Context_API)
void
cogl_end_gl (void);
G_END_DECLS
#endif /* __COGL_1_CONTEXT_H__ */

3
cogl/cogl/driver/gl/cogl-attribute-gl-private.h
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@ -47,7 +47,4 @@ _cogl_gl_flush_attributes_state (CoglFramebuffer *framebuffer,
CoglAttribute **attributes,
int n_attributes);
void
_cogl_gl_disable_all_attributes (CoglContext *ctx);
#endif /* _COGL_ATTRIBUTE_GL_PRIVATE_H_ */

13
cogl/cogl/driver/gl/cogl-attribute-gl.c
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@ -523,16 +523,3 @@ _cogl_gl_flush_attributes_state (CoglFramebuffer *framebuffer,
if (copy)
cogl_object_unref (copy);
}
void
_cogl_gl_disable_all_attributes (CoglContext *ctx)
{
_cogl_bitmask_clear_all (&ctx->enable_builtin_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_texcoord_attributes_tmp);
_cogl_bitmask_clear_all (&ctx->enable_custom_attributes_tmp);
/* XXX: we can pass a NULL source pipeline here because we know a
* source pipeline only needs to be referenced when enabling
* attributes. */
apply_attribute_enable_updates (ctx, NULL);
}