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gl renderer: Ignore viewport ops to the same viewport

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This commit is contained in:
Timm Bäder 2018-12-05 10:36:43 +01:00
parent 82a1d4f280
commit df817bd118
1 changed files with 13 additions and 2 deletions
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15
gsk/gl/gskglrenderops.c
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@ -1,5 +1,12 @@
#include "gskglrenderopsprivate.h" #include "gskglrenderopsprivate.h"
static inline gboolean
rect_equal (const graphene_rect_t *a,
const graphene_rect_t *b)
{
return memcmp (a, b, sizeof (graphene_rect_t)) == 0;
}
void void
ops_finish (RenderOpBuilder *builder) ops_finish (RenderOpBuilder *builder)
{ {
@ -188,8 +195,8 @@ ops_set_program (RenderOpBuilder *builder,
program_state->modelview = *builder->current_modelview; program_state->modelview = *builder->current_modelview;
} }
if (memcmp (&empty_rect, &program_state->viewport, sizeof (graphene_rect_t)) == 0 || if (rect_equal (&empty_rect, &program_state->viewport) ||
memcmp (&builder->current_viewport, &program_state->viewport, sizeof (graphene_rect_t)) != 0) !rect_equal (&builder->current_viewport, &program_state->viewport))
{ {
op.op = OP_CHANGE_VIEWPORT; op.op = OP_CHANGE_VIEWPORT;
op.viewport = builder->current_viewport; op.viewport = builder->current_viewport;
@ -376,6 +383,10 @@ ops_set_viewport (RenderOpBuilder *builder,
RenderOp op; RenderOp op;
graphene_rect_t prev_viewport; graphene_rect_t prev_viewport;
if (builder->current_program_state != NULL &&
rect_equal (&builder->current_program_state->viewport, viewport))
return builder->current_program_state->viewport;
op.op = OP_CHANGE_VIEWPORT; op.op = OP_CHANGE_VIEWPORT;
op.viewport = *viewport; op.viewport = *viewport;
g_array_append_val (builder->render_ops, op); g_array_append_val (builder->render_ops, op);