diff options
Diffstat (limited to 'src/mesa/main/fbobject.c')
-rw-r--r-- | src/mesa/main/fbobject.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c index 09fafbc8b9d..8c86b392c7b 100644 --- a/src/mesa/main/fbobject.c +++ b/src/mesa/main/fbobject.c @@ -147,6 +147,8 @@ invalidate_framebuffer(struct gl_framebuffer *fb) /** * Given a GL_*_ATTACHMENTn token, return a pointer to the corresponding * gl_renderbuffer_attachment object. + * This function is only used for user-created FB objects, not the + * default / window-system FB object. * If \p attachment is GL_DEPTH_STENCIL_ATTACHMENT, return a pointer to * the depth buffer attachment point. */ @@ -156,6 +158,8 @@ _mesa_get_attachment(GLcontext *ctx, struct gl_framebuffer *fb, { GLuint i; + assert(fb->Name > 0); + switch (attachment) { case GL_COLOR_ATTACHMENT0_EXT: case GL_COLOR_ATTACHMENT1_EXT: @@ -188,6 +192,23 @@ _mesa_get_attachment(GLcontext *ctx, struct gl_framebuffer *fb, /* fall-through / new in GL 3.0 */ case GL_STENCIL_ATTACHMENT_EXT: return &fb->Attachment[BUFFER_STENCIL]; + default: + return NULL; + } +} + + +/** + * As above, but only used for getting attachments of the default / + * window-system framebuffer (not user-created framebuffer objects). + */ +static struct gl_renderbuffer_attachment * +_mesa_get_fb0_attachment(GLcontext *ctx, struct gl_framebuffer *fb, + GLenum attachment) +{ + assert(fb->Name == 0); + + switch (attachment) { case GL_FRONT_LEFT: return &fb->Attachment[BUFFER_FRONT_LEFT]; case GL_FRONT_RIGHT: @@ -196,12 +217,26 @@ _mesa_get_attachment(GLcontext *ctx, struct gl_framebuffer *fb, return &fb->Attachment[BUFFER_BACK_LEFT]; case GL_BACK_RIGHT: return &fb->Attachment[BUFFER_BACK_RIGHT]; + case GL_AUX0: + if (fb->Visual.numAuxBuffers == 1) { + return &fb->Attachment[BUFFER_AUX0]; + } + return NULL; + case GL_DEPTH_BUFFER: + /* fall-through / new in GL 3.0 */ + case GL_DEPTH_ATTACHMENT_EXT: + return &fb->Attachment[BUFFER_DEPTH]; + case GL_STENCIL_BUFFER: + /* fall-through / new in GL 3.0 */ + case GL_STENCIL_ATTACHMENT_EXT: + return &fb->Attachment[BUFFER_STENCIL]; default: return NULL; } } + /** * Remove any texture or renderbuffer attached to the given attachment * point. Update reference counts, etc. @@ -1885,7 +1920,15 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment, return; } - att = _mesa_get_attachment(ctx, buffer, attachment); + if (buffer->Name == 0) { + /* the default / window-system FBO */ + att = _mesa_get_fb0_attachment(ctx, buffer, attachment); + } + else { + /* user-created framebuffer FBO */ + att = _mesa_get_attachment(ctx, buffer, attachment); + } + if (att == NULL) { _mesa_error(ctx, GL_INVALID_ENUM, "glGetFramebufferAttachmentParameterivEXT(attachment)"); @@ -2256,3 +2299,25 @@ _mesa_BlitFramebufferEXT(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, mask, filter); } #endif /* FEATURE_EXT_framebuffer_blit */ + +#if FEATURE_ARB_geometry_shader4 +void GLAPIENTRY +_mesa_FramebufferTextureARB(GLenum target, GLenum attachment, + GLuint texture, GLint level) +{ + GET_CURRENT_CONTEXT(ctx); + _mesa_error(ctx, GL_INVALID_OPERATION, + "glFramebufferTextureARB " + "not implemented!"); +} + +void GLAPIENTRY +_mesa_FramebufferTextureFaceARB(GLenum target, GLenum attachment, + GLuint texture, GLint level, GLenum face) +{ + GET_CURRENT_CONTEXT(ctx); + _mesa_error(ctx, GL_INVALID_OPERATION, + "glFramebufferTextureFaceARB " + "not implemented!"); +} +#endif /* FEATURE_ARB_geometry_shader4 */ |