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cogl-matrix-stack: remove flush avoidance checks
The aim is to make cogl-framebuffer.c responsible for avoiding redundant flushing of its matrix stacks so this removes the checks done directly within cogl-matrix-stack.c. Reviewed-by: Neil Roberts <neil@linux.intel.com>
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@ -1102,16 +1102,6 @@ notify_buffers_changed (CoglFramebuffer *old_draw_buffer,
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ctx->dirty_bound_framebuffer = 1;
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ctx->dirty_gl_viewport = 1;
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/* We've effectively just switched the current modelview and
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* projection matrix stacks and clip state so we need to dirty
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* them to ensure they get flushed for the next batch of geometry
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* we flush */
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if (new_draw_buffer)
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{
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_cogl_matrix_stack_dirty (new_draw_buffer->modelview_stack);
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_cogl_matrix_stack_dirty (new_draw_buffer->projection_stack);
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}
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_cogl_clip_stack_dirty ();
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if (old_draw_buffer && new_draw_buffer)
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@ -58,10 +58,6 @@ struct _CoglMatrixStack
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GArray *stack;
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/* which state does GL have, NULL if unknown */
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CoglMatrixState *flushed_state;
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gboolean flushed_identity;
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unsigned int age;
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};
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@ -124,9 +120,6 @@ _cogl_matrix_stack_top_mutable (CoglMatrixStack *stack,
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cogl_matrix_init_identity (&new_top->matrix);
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else
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new_top->matrix = state->matrix;
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if (stack->flushed_state == state)
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stack->flushed_state = new_top;
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}
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return new_top;
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@ -191,11 +184,6 @@ _cogl_matrix_stack_pop (CoglMatrixStack *stack)
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return;
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}
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if (stack->flushed_state == state)
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{
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stack->flushed_state = NULL;
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}
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stack->age++;
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g_array_set_size (stack->stack, stack->stack->len - 1);
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}
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@ -218,9 +206,6 @@ _cogl_matrix_stack_load_identity (CoglMatrixStack *stack)
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if (!state->is_identity)
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{
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state->is_identity = TRUE;
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/* mark dirty */
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stack->flushed_state = NULL;
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stack->age++;
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}
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}
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@ -235,8 +220,6 @@ _cogl_matrix_stack_scale (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_scale (&state->matrix, x, y, z);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -251,8 +234,6 @@ _cogl_matrix_stack_translate (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_translate (&state->matrix, x, y, z);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -268,8 +249,6 @@ _cogl_matrix_stack_rotate (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_rotate (&state->matrix, angle, x, y, z);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -282,8 +261,6 @@ _cogl_matrix_stack_multiply (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_multiply (&state->matrix, &state->matrix, matrix);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -303,8 +280,6 @@ _cogl_matrix_stack_frustum (CoglMatrixStack *stack,
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cogl_matrix_frustum (&state->matrix,
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left, right, bottom, top,
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z_near, z_far);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -321,8 +296,6 @@ _cogl_matrix_stack_perspective (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_perspective (&state->matrix,
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fov_y, aspect, z_near, z_far);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -341,8 +314,6 @@ _cogl_matrix_stack_ortho (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, TRUE);
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cogl_matrix_ortho (&state->matrix,
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left, right, bottom, top, z_near, z_far);
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -387,8 +358,6 @@ _cogl_matrix_stack_set (CoglMatrixStack *stack,
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state = _cogl_matrix_stack_top_mutable (stack, FALSE);
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state->matrix = *matrix;
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/* mark dirty */
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stack->flushed_state = NULL;
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state->is_identity = FALSE;
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stack->age++;
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}
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@ -401,19 +370,10 @@ flush_to_fixed_api_gl (CoglContext *context,
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const CoglMatrix *matrix,
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void *user_data)
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{
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CoglMatrixStack *stack = user_data;
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if (is_identity)
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{
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if (!stack->flushed_identity)
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GE (context, glLoadIdentity ());
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stack->flushed_identity = TRUE;
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}
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GE (context, glLoadIdentity ());
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else
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{
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GE (context, glLoadMatrixf (cogl_matrix_get_array (matrix)) );
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stack->flushed_identity = FALSE;
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}
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GE (context, glLoadMatrixf (cogl_matrix_get_array (matrix)) );
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}
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#endif
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@ -455,8 +415,6 @@ _cogl_matrix_stack_flush_to_gl (CoglContext *context,
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CoglMatrixStack *stack,
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CoglMatrixMode mode)
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{
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CoglMatrixState *state = _cogl_matrix_stack_top (stack);
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if (context->driver == COGL_DRIVER_GLES2)
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{
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/* Under GLES2 we need to flush the matrices differently because
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@ -493,9 +451,6 @@ _cogl_matrix_stack_flush_to_gl (CoglContext *context,
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#if defined (HAVE_COGL_GL) || defined (HAVE_COGL_GLES)
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else
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{
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if (stack->flushed_state == state)
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return;
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if (context->flushed_matrix_mode != mode)
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{
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GLenum gl_mode = 0;
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@ -526,15 +481,6 @@ _cogl_matrix_stack_flush_to_gl (CoglContext *context,
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stack);
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}
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#endif
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stack->flushed_state = state;
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}
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void
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_cogl_matrix_stack_dirty (CoglMatrixStack *stack)
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{
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stack->flushed_state = NULL;
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stack->flushed_identity = FALSE;
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}
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unsigned int
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@ -111,8 +111,6 @@ void
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_cogl_matrix_stack_flush_to_gl (CoglContext *ctx,
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CoglMatrixStack *stack,
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CoglMatrixMode mode);
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void
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_cogl_matrix_stack_dirty (CoglMatrixStack *stack);
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unsigned int
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_cogl_matrix_stack_get_age (CoglMatrixStack *stack);
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