diff options
-rw-r--r-- | src/mesa/drivers/common/meta.c | 39 | ||||
-rw-r--r-- | src/mesa/drivers/common/meta.h | 3 |
2 files changed, 42 insertions, 0 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 36150a522f7..7c84c335de2 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -392,6 +392,24 @@ _mesa_meta_init(struct gl_context *ctx) ctx->Meta = CALLOC_STRUCT(gl_meta_state); } +static GLenum +gl_buffer_index_to_drawbuffers_enum(gl_buffer_index bufindex) +{ + assert(bufindex < BUFFER_COUNT); + + if (bufindex >= BUFFER_COLOR0) + return GL_COLOR_ATTACHMENT0 + bufindex - BUFFER_COLOR0; + else if (bufindex == BUFFER_FRONT_LEFT) + return GL_FRONT_LEFT; + else if (bufindex == BUFFER_FRONT_RIGHT) + return GL_FRONT_RIGHT; + else if (bufindex == BUFFER_BACK_LEFT) + return GL_BACK_LEFT; + else if (bufindex == BUFFER_BACK_RIGHT) + return GL_BACK_RIGHT; + + return GL_NONE; +} /** * Free context meta-op state. @@ -778,6 +796,23 @@ _mesa_meta_begin(struct gl_context *ctx, GLbitfield state) _mesa_set_framebuffer_srgb(ctx, GL_FALSE); } + if (state & MESA_META_DRAW_BUFFERS) { + int buf, real_color_buffers = 0; + memset(save->ColorDrawBuffers, 0, sizeof(save->ColorDrawBuffers)); + + for (buf = 0; buf < MAX_DRAW_BUFFERS; buf++) { + int buf_index = ctx->DrawBuffer->_ColorDrawBufferIndexes[buf]; + if (buf_index == -1) + continue; + + save->ColorDrawBuffers[buf] = + gl_buffer_index_to_drawbuffers_enum(buf_index); + + if (++real_color_buffers >= ctx->DrawBuffer->_NumColorDrawBuffers) + break; + } + } + /* misc */ { save->Lighting = ctx->Light.Enabled; @@ -1176,6 +1211,10 @@ _mesa_meta_end(struct gl_context *ctx) ctx->CurrentRenderbuffer->Name != save->RenderbufferName) _mesa_BindRenderbuffer(GL_RENDERBUFFER, save->RenderbufferName); + if (state & MESA_META_DRAW_BUFFERS) { + _mesa_DrawBuffers(MAX_DRAW_BUFFERS, save->ColorDrawBuffers); + } + ctx->Meta->SaveStackDepth--; ctx->API = save->API; diff --git a/src/mesa/drivers/common/meta.h b/src/mesa/drivers/common/meta.h index 99f11231ed7..32b71fae709 100644 --- a/src/mesa/drivers/common/meta.h +++ b/src/mesa/drivers/common/meta.h @@ -181,6 +181,9 @@ struct save_state GLboolean TransformFeedbackNeedsResume; GLuint DrawBufferName, ReadBufferName, RenderbufferName; + + /** MESA_META_DRAW_BUFFERS */ + GLenum ColorDrawBuffers[MAX_DRAW_BUFFERS]; }; /** |