diff options
Diffstat (limited to 'cogl/cogl-framebuffer.c')
| -rw-r--r-- | cogl/cogl-framebuffer.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/cogl/cogl-framebuffer.c b/cogl/cogl-framebuffer.c index af8cc9a2..37d8514e 100644 --- a/cogl/cogl-framebuffer.c +++ b/cogl/cogl-framebuffer.c @@ -155,6 +155,8 @@ _cogl_framebuffer_init (CoglFramebuffer *framebuffer, framebuffer->dirty_bitmasks = TRUE; + framebuffer->color_mask = COGL_COLOR_MASK_ALL; + /* Initialise the clip stack */ _cogl_clip_state_init (&framebuffer->clip_state); @@ -238,8 +240,24 @@ _cogl_clear4f (unsigned long buffers, if (buffers & COGL_BUFFER_BIT_COLOR) { + CoglFramebuffer *draw_framebuffer; + GE( ctx, glClearColor (red, green, blue, alpha) ); gl_buffers |= GL_COLOR_BUFFER_BIT; + + draw_framebuffer = cogl_get_draw_framebuffer (); + if (ctx->current_gl_color_mask != draw_framebuffer->color_mask) + { + CoglColorMask color_mask = draw_framebuffer->color_mask; + GE( ctx, glColorMask (color_mask & COGL_COLOR_MASK_RED, + color_mask & COGL_COLOR_MASK_GREEN, + color_mask & COGL_COLOR_MASK_BLUE, + color_mask & COGL_COLOR_MASK_ALPHA)); + ctx->current_gl_color_mask = color_mask; + /* Make sure the ColorMask is updated when the next primitive is drawn */ + ctx->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_LOGIC_OPS; + } } if (buffers & COGL_BUFFER_BIT_DEPTH) @@ -1492,6 +1510,26 @@ cogl_framebuffer_get_alpha_bits (CoglFramebuffer *framebuffer) return framebuffer->alpha_bits; } +CoglColorMask +cogl_framebuffer_get_color_mask (CoglFramebuffer *framebuffer) +{ + return framebuffer->color_mask; +} + +void +cogl_framebuffer_set_color_mask (CoglFramebuffer *framebuffer, + CoglColorMask color_mask) +{ + _COGL_GET_CONTEXT (ctx, NO_RETVAL); + + cogl_flush (); /* XXX: Currently color mask changes don't go through the journal */ + framebuffer->color_mask = color_mask; + + /* Make sure the ColorMask is updated when the next primitive is drawn */ + ctx->current_pipeline_changes_since_flush |= + COGL_PIPELINE_STATE_LOGIC_OPS; +} + gboolean cogl_framebuffer_get_dither_enabled (CoglFramebuffer *framebuffer) { |