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matrix-stack: Avoid referencing the default CoglContext

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This removes the use of _COGL_GET_CONTEXT() from cogl-matrix-stack.c
as part of the ongoing effort to evolve cogl to get rid of the need for
a default context.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
This commit is contained in:
Robert Bragg 2011-11-21 14:22:01 +00:00
parent 5156365eae
commit 39a7bcff67
7 changed files with 88 additions and 74 deletions
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29
cogl/cogl-clip-stack.c
View File

@ -109,7 +109,7 @@ set_clip_plane (CoglFramebuffer *framebuffer,
_cogl_matrix_stack_translate (modelview_stack,
-vertex_a[0], -vertex_a[1], -vertex_a[2]);
_cogl_matrix_stack_flush_to_gl (modelview_stack, COGL_MATRIX_MODELVIEW);
_cogl_matrix_stack_flush_to_gl (ctx, modelview_stack, COGL_MATRIX_MODELVIEW);
planef[0] = 0;
planef[1] = -1.0;
@ -210,8 +210,7 @@ add_stencil_clip_rectangle (CoglFramebuffer *framebuffer,
_cogl_framebuffer_get_modelview_stack (framebuffer);
CoglMatrixStack *projection_stack =
_cogl_framebuffer_get_projection_stack (framebuffer);
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
CoglContext *ctx = cogl_framebuffer_get_context (framebuffer);
/* temporarily swap in our special stenciling pipeline */
_cogl_push_source (ctx->stencil_pipeline, FALSE);
@ -219,9 +218,11 @@ add_stencil_clip_rectangle (CoglFramebuffer *framebuffer,
/* This can be called from the journal code which doesn't flush
the matrix stacks between calls so we need to ensure they're
flushed now */
_cogl_matrix_stack_flush_to_gl (modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
modelview_stack,
COGL_MATRIX_MODELVIEW);
_cogl_matrix_stack_flush_to_gl (projection_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
projection_stack,
COGL_MATRIX_PROJECTION);
if (first)
@ -257,9 +258,11 @@ add_stencil_clip_rectangle (CoglFramebuffer *framebuffer,
_cogl_matrix_stack_push (modelview_stack);
_cogl_matrix_stack_load_identity (modelview_stack);
_cogl_matrix_stack_flush_to_gl (modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
modelview_stack,
COGL_MATRIX_MODELVIEW);
_cogl_matrix_stack_flush_to_gl (projection_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
projection_stack,
COGL_MATRIX_PROJECTION);
_cogl_rectangle_immediate (-1.0, -1.0, 1.0, 1.0);
@ -298,9 +301,11 @@ add_stencil_clip_silhouette (CoglFramebuffer *framebuffer,
/* This can be called from the clip stack code which doesn't flush
the matrix stacks between calls so we need to ensure they're
flushed now */
_cogl_matrix_stack_flush_to_gl (modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
modelview_stack,
COGL_MATRIX_MODELVIEW);
_cogl_matrix_stack_flush_to_gl (projection_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
projection_stack,
COGL_MATRIX_PROJECTION);
/* Just setup a simple pipeline that doesn't use texturing... */
@ -361,12 +366,14 @@ add_stencil_clip_silhouette (CoglFramebuffer *framebuffer,
_cogl_matrix_stack_push (projection_stack);
_cogl_matrix_stack_load_identity (projection_stack);
_cogl_matrix_stack_flush_to_gl (projection_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
projection_stack,
COGL_MATRIX_PROJECTION);
_cogl_matrix_stack_push (modelview_stack);
_cogl_matrix_stack_load_identity (modelview_stack);
_cogl_matrix_stack_flush_to_gl (modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
modelview_stack,
COGL_MATRIX_MODELVIEW);
_cogl_rectangle_immediate (-1.0, -1.0, 1.0, 1.0);

9
cogl/cogl-journal.c
View File

@ -292,7 +292,8 @@ _cogl_journal_flush_modelview_and_entries (CoglJournalEntry *batch_start,
{
_cogl_matrix_stack_set (state->modelview_stack,
&batch_start->model_view);
_cogl_matrix_stack_flush_to_gl (state->modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
state->modelview_stack,
COGL_MATRIX_MODELVIEW);
}
@ -718,14 +719,16 @@ _cogl_journal_flush_clip_stacks_and_entries (CoglJournalEntry *batch_start,
if (G_LIKELY (!(COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_SOFTWARE_TRANSFORM))))
{
_cogl_matrix_stack_load_identity (state->modelview_stack);
_cogl_matrix_stack_flush_to_gl (state->modelview_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
state->modelview_stack,
COGL_MATRIX_MODELVIEW);
}
/* Setting up the clip state can sometimes also flush the projection
matrix so we should flush it again. This will be a no-op if the
clip code didn't modify the projection */
_cogl_matrix_stack_flush_to_gl (state->projection_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
state->projection_stack,
COGL_MATRIX_PROJECTION);
batch_and_call (batch_start,

66
cogl/cogl-matrix-stack.c
View File

@ -396,23 +396,22 @@ _cogl_matrix_stack_set (CoglMatrixStack *stack,
#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES)
static void
flush_to_fixed_api_gl (gboolean is_identity,
flush_to_fixed_api_gl (CoglContext *context,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
{
CoglMatrixStack *stack = user_data;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
if (is_identity)
{
if (!stack->flushed_identity)
GE (ctx, glLoadIdentity ());
GE (context, glLoadIdentity ());
stack->flushed_identity = TRUE;
}
else
{
GE (ctx, glLoadMatrixf (cogl_matrix_get_array (matrix)) );
GE (context, glLoadMatrixf (cogl_matrix_get_array (matrix)) );
stack->flushed_identity = FALSE;
}
}
@ -420,16 +419,13 @@ flush_to_fixed_api_gl (gboolean is_identity,
#endif
void
_cogl_matrix_stack_prepare_for_flush (CoglMatrixStack *stack,
_cogl_prepare_matrix_stack_for_flush (CoglContext *context,
CoglMatrixStack *stack,
CoglMatrixMode mode,
CoglMatrixStackFlushFunc callback,
void *user_data)
{
CoglMatrixState *state;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
state = _cogl_matrix_stack_top (stack);
CoglMatrixState *state = _cogl_matrix_stack_top (stack);
/* Because Cogl defines texture coordinates to have a top left origin and
* because offscreen framebuffers may be used for rendering to textures we
@ -440,29 +436,28 @@ _cogl_matrix_stack_prepare_for_flush (CoglMatrixStack *stack,
{
CoglMatrix flipped_projection;
CoglMatrix *projection =
state->is_identity ? &ctx->identity_matrix : &state->matrix;
state->is_identity ? &context->identity_matrix : &state->matrix;
cogl_matrix_multiply (&flipped_projection,
&ctx->y_flip_matrix, projection);
callback (FALSE, &flipped_projection, user_data);
&context->y_flip_matrix, projection);
callback (context, FALSE, &flipped_projection, user_data);
}
else
callback (state->is_identity,
state->is_identity ? &ctx->identity_matrix : &state->matrix,
user_data);
{
CoglMatrix *modelview =
state->is_identity ? &context->identity_matrix : &state->matrix;
callback (context, state->is_identity, modelview, user_data);
}
}
void
_cogl_matrix_stack_flush_to_gl (CoglMatrixStack *stack,
CoglMatrixMode mode)
_cogl_matrix_stack_flush_to_gl (CoglContext *context,
CoglMatrixStack *stack,
CoglMatrixMode mode)
{
CoglMatrixState *state;
CoglMatrixState *state = _cogl_matrix_stack_top (stack);
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
state = _cogl_matrix_stack_top (stack);
if (ctx->driver == COGL_DRIVER_GLES2)
if (context->driver == COGL_DRIVER_GLES2)
{
/* Under GLES2 we need to flush the matrices differently because
they are stored in uniforms attached to the program instead of
@ -475,16 +470,16 @@ _cogl_matrix_stack_flush_to_gl (CoglMatrixStack *stack,
{
case COGL_MATRIX_MODELVIEW:
cogl_object_ref (stack);
if (ctx->flushed_modelview_stack)
cogl_object_unref (ctx->flushed_modelview_stack);
ctx->flushed_modelview_stack = stack;
if (context->flushed_modelview_stack)
cogl_object_unref (context->flushed_modelview_stack);
context->flushed_modelview_stack = stack;
break;
case COGL_MATRIX_PROJECTION:
cogl_object_ref (stack);
if (ctx->flushed_projection_stack)
cogl_object_unref (ctx->flushed_projection_stack);
ctx->flushed_projection_stack = stack;
if (context->flushed_projection_stack)
cogl_object_unref (context->flushed_projection_stack);
context->flushed_projection_stack = stack;
break;
case COGL_MATRIX_TEXTURE:
@ -501,7 +496,7 @@ _cogl_matrix_stack_flush_to_gl (CoglMatrixStack *stack,
if (stack->flushed_state == state)
return;
if (ctx->flushed_matrix_mode != mode)
if (context->flushed_matrix_mode != mode)
{
GLenum gl_mode = 0;
@ -520,11 +515,12 @@ _cogl_matrix_stack_flush_to_gl (CoglMatrixStack *stack,
break;
}
GE (ctx, glMatrixMode (gl_mode));
ctx->flushed_matrix_mode = mode;
GE (context, glMatrixMode (gl_mode));
context->flushed_matrix_mode = mode;
}
_cogl_matrix_stack_prepare_for_flush (stack,
_cogl_prepare_matrix_stack_for_flush (context,
stack,
mode,
flush_to_fixed_api_gl,
stack);

10
cogl/cogl-matrix-stack.h
View File

@ -30,6 +30,7 @@
#define __COGL_MATRIX_STACK_H
#include "cogl-matrix.h"
#include "cogl-context.h"
typedef struct _CoglMatrixStack CoglMatrixStack;
@ -39,7 +40,8 @@ typedef enum {
COGL_MATRIX_TEXTURE
} CoglMatrixMode;
typedef void (* CoglMatrixStackFlushFunc) (gboolean is_identity,
typedef void (* CoglMatrixStackFlushFunc) (CoglContext *context,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data);
@ -106,7 +108,8 @@ void
_cogl_matrix_stack_set (CoglMatrixStack *stack,
const CoglMatrix *matrix);
void
_cogl_matrix_stack_flush_to_gl (CoglMatrixStack *stack,
_cogl_matrix_stack_flush_to_gl (CoglContext *ctx,
CoglMatrixStack *stack,
CoglMatrixMode mode);
void
_cogl_matrix_stack_dirty (CoglMatrixStack *stack);
@ -122,7 +125,8 @@ gboolean
_cogl_matrix_stack_has_identity_flag (CoglMatrixStack *stack);
void
_cogl_matrix_stack_prepare_for_flush (CoglMatrixStack *stack,
_cogl_prepare_matrix_stack_for_flush (CoglContext *context,
CoglMatrixStack *stack,
CoglMatrixMode mode,
CoglMatrixStackFlushFunc callback,
void *user_data);

40
cogl/cogl-pipeline-progend-glsl.c
View File

@ -994,27 +994,25 @@ _cogl_pipeline_progend_glsl_layer_pre_change_notify (
#ifdef HAVE_COGL_GLES2
static void
flush_modelview_cb (gboolean is_identity,
flush_modelview_cb (CoglContext *ctx,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
{
CoglPipelineProgramState *program_state = user_data;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
GE( ctx, glUniformMatrix4fv (program_state->modelview_uniform, 1, FALSE,
cogl_matrix_get_array (matrix)) );
}
static void
flush_projection_cb (gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
flush_projection_cb (CoglContext *ctx,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
{
CoglPipelineProgramState *program_state = user_data;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
GE( ctx, glUniformMatrix4fv (program_state->projection_uniform, 1, FALSE,
cogl_matrix_get_array (matrix)) );
}
@ -1026,15 +1024,14 @@ typedef struct
} FlushCombinedData;
static void
flush_combined_step_two_cb (gboolean is_identity,
flush_combined_step_two_cb (CoglContext *ctx,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
{
FlushCombinedData *data = user_data;
CoglMatrix mvp_matrix;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
/* If the modelview is the identity then we can bypass the matrix
multiplication */
if (is_identity)
@ -1055,18 +1052,18 @@ flush_combined_step_two_cb (gboolean is_identity,
}
static void
flush_combined_step_one_cb (gboolean is_identity,
flush_combined_step_one_cb (CoglContext *ctx,
gboolean is_identity,
const CoglMatrix *matrix,
void *user_data)
{
FlushCombinedData data;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
data.program_state = user_data;
data.projection_matrix = matrix;
_cogl_matrix_stack_prepare_for_flush (ctx->flushed_modelview_stack,
_cogl_prepare_matrix_stack_for_flush (ctx,
ctx->flushed_modelview_stack,
COGL_MATRIX_MODELVIEW,
flush_combined_step_two_cb,
&data);
@ -1127,8 +1124,9 @@ _cogl_pipeline_progend_glsl_pre_paint (CoglPipeline *pipeline)
_cogl_matrix_stack_has_identity_flag (ctx->flushed_modelview_stack);
if (program_state->modelview_uniform != -1)
_cogl_matrix_stack_prepare_for_flush (program_state
->flushed_modelview_stack,
_cogl_prepare_matrix_stack_for_flush (ctx,
program_state
->flushed_modelview_stack,
COGL_MATRIX_MODELVIEW,
flush_modelview_cb,
program_state);
@ -1144,8 +1142,9 @@ _cogl_pipeline_progend_glsl_pre_paint (CoglPipeline *pipeline)
_cogl_matrix_stack_get_age (ctx->flushed_projection_stack);
if (program_state->projection_uniform != -1)
_cogl_matrix_stack_prepare_for_flush (program_state
->flushed_projection_stack,
_cogl_prepare_matrix_stack_for_flush (ctx,
program_state
->flushed_projection_stack,
COGL_MATRIX_PROJECTION,
flush_projection_cb,
program_state);
@ -1153,7 +1152,8 @@ _cogl_pipeline_progend_glsl_pre_paint (CoglPipeline *pipeline)
if (program_state->mvp_uniform != -1 &&
(modelview_changed || projection_changed))
_cogl_matrix_stack_prepare_for_flush (ctx->flushed_projection_stack,
_cogl_prepare_matrix_stack_for_flush (ctx,
ctx->flushed_projection_stack,
COGL_MATRIX_PROJECTION,
flush_combined_step_one_cb,
program_state);

5
cogl/cogl-pipeline-vertend-fixed.c
View File

@ -81,6 +81,8 @@ _cogl_pipeline_vertend_fixed_add_layer (CoglPipeline *pipeline,
int unit_index = _cogl_pipeline_layer_get_unit_index (layer);
CoglTextureUnit *unit = _cogl_get_texture_unit (unit_index);
_COGL_GET_CONTEXT (ctx, FALSE);
if (layers_difference & COGL_PIPELINE_LAYER_STATE_USER_MATRIX)
{
CoglPipelineLayerState state = COGL_PIPELINE_LAYER_STATE_USER_MATRIX;
@ -92,7 +94,8 @@ _cogl_pipeline_vertend_fixed_add_layer (CoglPipeline *pipeline,
_cogl_set_active_texture_unit (unit_index);
_cogl_matrix_stack_flush_to_gl (unit->matrix_stack, COGL_MATRIX_TEXTURE);
_cogl_matrix_stack_flush_to_gl (ctx, unit->matrix_stack,
COGL_MATRIX_TEXTURE);
}
return TRUE;

3
cogl/cogl-pipeline-vertend-glsl.c
View File

@ -306,7 +306,8 @@ _cogl_pipeline_vertend_glsl_add_layer (CoglPipeline *pipeline,
_cogl_set_active_texture_unit (unit_index);
_cogl_matrix_stack_flush_to_gl (unit->matrix_stack,
_cogl_matrix_stack_flush_to_gl (ctx,
unit->matrix_stack,
COGL_MATRIX_TEXTURE);
}
}