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-rw-r--r--src/cairo-gl-composite.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/cairo-gl-composite.c b/src/cairo-gl-composite.c
index 1ca65092..ca96b6b3 100644
--- a/src/cairo-gl-composite.c
+++ b/src/cairo-gl-composite.c
@@ -576,6 +576,7 @@ static void
_cairo_gl_context_setup_operand (cairo_gl_context_t *ctx,
cairo_gl_tex_t tex_unit,
cairo_gl_operand_t *operand,
+ unsigned int vertex_size,
unsigned int vertex_offset,
cairo_bool_t use_shaders)
{
@@ -583,7 +584,8 @@ _cairo_gl_context_setup_operand (cairo_gl_context_t *ctx,
/* XXX: we need to do setup when switching from shaders
* to no shaders (or back) */
- needs_setup = _cairo_gl_operand_needs_setup (&ctx->operands[tex_unit],
+ needs_setup = ctx->vertex_size != vertex_size;
+ needs_setup |= _cairo_gl_operand_needs_setup (&ctx->operands[tex_unit],
operand,
vertex_offset);
@@ -605,7 +607,7 @@ _cairo_gl_context_setup_operand (cairo_gl_context_t *ctx,
case CAIRO_GL_OPERAND_NONE:
break;
case CAIRO_GL_OPERAND_SPANS:
- glColorPointer (4, GL_UNSIGNED_BYTE, ctx->vertex_size,
+ glColorPointer (4, GL_UNSIGNED_BYTE, vertex_size,
(void *) (uintptr_t) vertex_offset);
glEnableClientState (GL_COLOR_ARRAY);
/* fall through */
@@ -627,7 +629,7 @@ _cairo_gl_context_setup_operand (cairo_gl_context_t *ctx,
operand->texture.attributes.filter);
glClientActiveTexture (GL_TEXTURE0 + tex_unit);
- glTexCoordPointer (2, GL_FLOAT, ctx->vertex_size,
+ glTexCoordPointer (2, GL_FLOAT, vertex_size,
(void *) (uintptr_t) vertex_offset);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
break;
@@ -947,7 +949,6 @@ _cairo_gl_composite_begin (cairo_gl_composite_t *setup,
vertex_size = dst_size + src_size + mask_size;
if (ctx->vertex_size != vertex_size) {
_cairo_gl_composite_flush (ctx);
- ctx->vertex_size = vertex_size;
}
_cairo_gl_context_set_destination (ctx, setup->dst);
@@ -955,17 +956,19 @@ _cairo_gl_composite_begin (cairo_gl_composite_t *setup,
if (_cairo_gl_context_is_flushed (ctx)) {
glBindBufferARB (GL_ARRAY_BUFFER_ARB, ctx->vbo);
- glVertexPointer (2, GL_FLOAT, ctx->vertex_size, NULL);
+ glVertexPointer (2, GL_FLOAT, vertex_size, NULL);
glEnableClientState (GL_VERTEX_ARRAY);
}
- _cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_SOURCE, &setup->src, dst_size, shader != NULL);
- _cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_MASK, &setup->mask, dst_size + src_size, shader != NULL);
+ _cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_SOURCE, &setup->src, vertex_size, dst_size, shader != NULL);
+ _cairo_gl_context_setup_operand (ctx, CAIRO_GL_TEX_MASK, &setup->mask, vertex_size, dst_size + src_size, shader != NULL);
_cairo_gl_set_operator (ctx,
setup->op,
component_alpha);
+ ctx->vertex_size = vertex_size;
+
if (_cairo_gl_context_is_flushed (ctx)) {
if (ctx->pre_shader) {
_cairo_gl_set_shader (ctx, ctx->pre_shader);