AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

gl renderer: Render GL textures upside down

Browse Source 
These come from an FBO so we need to flip the texture coords on the y
axis, just like we do everywhere else.
This commit is contained in:
Timm Bäder 2018-01-18 08:21:11 +01:00
parent 182272c0ab
commit 41a922928e
1 changed files with 31 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
gsk/gl/gskglrenderer.c
View File

@ -584,9 +584,12 @@ render_color_node (GskGLRenderer *self,
static inline void static inline void
render_texture_node (GskGLRenderer *self, render_texture_node (GskGLRenderer *self,
GskRenderNode *node, GskRenderNode *node,
RenderOpBuilder *builder, RenderOpBuilder *builder)
const GskQuadVertex *vertex_data)
{ {
const float min_x = builder->dx + node->bounds.origin.x;
const float min_y = builder->dy + node->bounds.origin.y;
const float max_x = min_x + node->bounds.size.width;
const float max_y = min_y + node->bounds.size.height;
GdkTexture *texture = gsk_texture_node_get_texture (node); GdkTexture *texture = gsk_texture_node_get_texture (node);
int gl_min_filter = GL_NEAREST, gl_mag_filter = GL_NEAREST; int gl_min_filter = GL_NEAREST, gl_mag_filter = GL_NEAREST;
int texture_id; int texture_id;
@ -599,7 +602,31 @@ render_texture_node (GskGLRenderer *self,
gl_mag_filter); gl_mag_filter);
ops_set_program (builder, &self->blit_program); ops_set_program (builder, &self->blit_program);
ops_set_texture (builder, texture_id); ops_set_texture (builder, texture_id);
ops_draw (builder, vertex_data);
if (GDK_IS_GL_TEXTURE (texture))
{
ops_draw (builder, (GskQuadVertex[GL_N_VERTICES]) {
{ { min_x, min_y }, { 0, 1 }, },
{ { min_x, max_y }, { 0, 0 }, },
{ { max_x, min_y }, { 1, 1 }, },
{ { max_x, max_y }, { 1, 0 }, },
{ { min_x, max_y }, { 0, 0 }, },
{ { max_x, min_y }, { 1, 1 }, },
});
}
else
{
ops_draw (builder, (GskQuadVertex[GL_N_VERTICES]) {
{ { min_x, min_y }, { 0, 0 }, },
{ { min_x, max_y }, { 0, 1 }, },
{ { max_x, min_y }, { 1, 0 }, },
{ { max_x, max_y }, { 1, 1 }, },
{ { min_x, max_y }, { 0, 1 }, },
{ { max_x, min_y }, { 1, 0 }, },
});
}
} }
static inline void static inline void
@ -2113,7 +2140,7 @@ gsk_gl_renderer_add_render_ops (GskGLRenderer *self,
break; break;
case GSK_TEXTURE_NODE: case GSK_TEXTURE_NODE:
render_texture_node (self, node, builder, vertex_data); render_texture_node (self, node, builder);
break; break;
case GSK_CAIRO_NODE: case GSK_CAIRO_NODE: