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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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66
cogl/cogl-matrix-stack.c
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@ -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);