diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_framebuffer.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_atom_framebuffer.c | 362 |
1 files changed, 182 insertions, 180 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c index 3ba690200..76386fe01 100644 --- a/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c +++ b/mesalib/src/mesa/state_tracker/st_atom_framebuffer.c @@ -1,180 +1,182 @@ -/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-#include "st_context.h"
-#include "st_atom.h"
-#include "st_cb_fbo.h"
-#include "st_texture.h"
-#include "pipe/p_context.h"
-#include "cso_cache/cso_context.h"
-#include "util/u_math.h"
-#include "util/u_inlines.h"
-
-
-
-/**
- * When doing GL render to texture, we have to be sure that finalize_texture()
- * didn't yank out the pipe_resource that we earlier created a surface for.
- * Check for that here and create a new surface if needed.
- */
-static void
-update_renderbuffer_surface(struct st_context *st,
- struct st_renderbuffer *strb)
-{
- struct pipe_context *pipe = st->pipe;
- struct pipe_resource *resource = strb->rtt->pt;
- int rtt_width = strb->Base.Width;
- int rtt_height = strb->Base.Height;
-
- if (!strb->surface ||
- strb->surface->texture != resource ||
- strb->surface->width != rtt_width ||
- strb->surface->height != rtt_height) {
- GLuint level;
- /* find matching mipmap level size */
- for (level = 0; level <= resource->last_level; level++) {
- if (u_minify(resource->width0, level) == rtt_width &&
- u_minify(resource->height0, level) == rtt_height) {
- struct pipe_surface surf_tmpl;
- memset(&surf_tmpl, 0, sizeof(surf_tmpl));
- surf_tmpl.format = resource->format;
- surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
- surf_tmpl.u.tex.level = level;
- surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice;
- surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice;
-
- pipe_surface_reference(&strb->surface, NULL);
-
- strb->surface = pipe->create_surface(pipe,
- resource,
- &surf_tmpl);
-#if 0
- printf("-- alloc new surface %d x %d into tex %p\n",
- strb->surface->width, strb->surface->height,
- texture);
-#endif
- break;
- }
- }
- }
-}
-
-
-/**
- * Update framebuffer state (color, depth, stencil, etc. buffers)
- */
-static void
-update_framebuffer_state( struct st_context *st )
-{
- struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer;
- struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- struct st_renderbuffer *strb;
- GLuint i;
-
- framebuffer->width = fb->Width;
- framebuffer->height = fb->Height;
-
- /*printf("------ fb size %d x %d\n", fb->Width, fb->Height);*/
-
- /* Examine Mesa's ctx->DrawBuffer->_ColorDrawBuffers state
- * to determine which surfaces to draw to
- */
- framebuffer->nr_cbufs = 0;
- for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
- strb = st_renderbuffer(fb->_ColorDrawBuffers[i]);
-
- if (strb) {
- /*printf("--------- framebuffer surface rtt %p\n", strb->rtt);*/
- if (strb->rtt) {
- /* rendering to a GL texture, may have to update surface */
- update_renderbuffer_surface(st, strb);
- }
-
- if (strb->surface) {
- pipe_surface_reference(&framebuffer->cbufs[framebuffer->nr_cbufs],
- strb->surface);
- framebuffer->nr_cbufs++;
- }
- strb->defined = GL_TRUE; /* we'll be drawing something */
- }
- }
- for (i = framebuffer->nr_cbufs; i < PIPE_MAX_COLOR_BUFS; i++) {
- pipe_surface_reference(&framebuffer->cbufs[i], NULL);
- }
-
- /*
- * Depth/Stencil renderbuffer/surface.
- */
- strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
- if (strb) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- if (strb->rtt) {
- /* rendering to a GL texture, may have to update surface */
- update_renderbuffer_surface(st, strb);
- }
- pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
- }
- else {
- strb = st_renderbuffer(fb->Attachment[BUFFER_STENCIL].Renderbuffer);
- if (strb) {
- strb = st_renderbuffer(strb->Base.Wrapped);
- assert(strb->surface);
- pipe_surface_reference(&framebuffer->zsbuf, strb->surface);
- }
- else
- pipe_surface_reference(&framebuffer->zsbuf, NULL);
- }
-
-#ifdef DEBUG
- /* Make sure the resource binding flags were set properly */
- for (i = 0; i < framebuffer->nr_cbufs; i++) {
- assert(framebuffer->cbufs[i]->texture->bind & PIPE_BIND_RENDER_TARGET);
- }
- if (framebuffer->zsbuf) {
- assert(framebuffer->zsbuf->texture->bind & PIPE_BIND_DEPTH_STENCIL);
- }
-#endif
-
- cso_set_framebuffer(st->cso_context, framebuffer);
-}
-
-
-const struct st_tracked_state st_update_framebuffer = {
- "st_update_framebuffer", /* name */
- { /* dirty */
- _NEW_BUFFERS, /* mesa */
- ST_NEW_FRAMEBUFFER, /* st */
- },
- update_framebuffer_state /* update */
-};
-
+/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Brian Paul + */ + +#include "st_context.h" +#include "st_atom.h" +#include "st_cb_fbo.h" +#include "st_texture.h" +#include "pipe/p_context.h" +#include "cso_cache/cso_context.h" +#include "util/u_math.h" +#include "util/u_inlines.h" +#include "util/u_format.h" + + +/** + * When doing GL render to texture, we have to be sure that finalize_texture() + * didn't yank out the pipe_resource that we earlier created a surface for. + * Check for that here and create a new surface if needed. + */ +static void +update_renderbuffer_surface(struct st_context *st, + struct st_renderbuffer *strb) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource *resource = strb->rtt->pt; + int rtt_width = strb->Base.Width; + int rtt_height = strb->Base.Height; + enum pipe_format format = st->ctx->Color.sRGBEnabled ? resource->format : util_format_linear(resource->format); + + if (!strb->surface || + strb->surface->format != format || + strb->surface->texture != resource || + strb->surface->width != rtt_width || + strb->surface->height != rtt_height) { + GLuint level; + /* find matching mipmap level size */ + for (level = 0; level <= resource->last_level; level++) { + if (u_minify(resource->width0, level) == rtt_width && + u_minify(resource->height0, level) == rtt_height) { + struct pipe_surface surf_tmpl; + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = format; + surf_tmpl.usage = PIPE_BIND_RENDER_TARGET; + surf_tmpl.u.tex.level = level; + surf_tmpl.u.tex.first_layer = strb->rtt_face + strb->rtt_slice; + surf_tmpl.u.tex.last_layer = strb->rtt_face + strb->rtt_slice; + + pipe_surface_reference(&strb->surface, NULL); + + strb->surface = pipe->create_surface(pipe, + resource, + &surf_tmpl); +#if 0 + printf("-- alloc new surface %d x %d into tex %p\n", + strb->surface->width, strb->surface->height, + texture); +#endif + break; + } + } + } +} + + +/** + * Update framebuffer state (color, depth, stencil, etc. buffers) + */ +static void +update_framebuffer_state( struct st_context *st ) +{ + struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer; + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb; + GLuint i; + + framebuffer->width = fb->Width; + framebuffer->height = fb->Height; + + /*printf("------ fb size %d x %d\n", fb->Width, fb->Height);*/ + + /* Examine Mesa's ctx->DrawBuffer->_ColorDrawBuffers state + * to determine which surfaces to draw to + */ + framebuffer->nr_cbufs = 0; + for (i = 0; i < fb->_NumColorDrawBuffers; i++) { + strb = st_renderbuffer(fb->_ColorDrawBuffers[i]); + + if (strb) { + /*printf("--------- framebuffer surface rtt %p\n", strb->rtt);*/ + if (strb->rtt) { + /* rendering to a GL texture, may have to update surface */ + update_renderbuffer_surface(st, strb); + } + + if (strb->surface) { + pipe_surface_reference(&framebuffer->cbufs[framebuffer->nr_cbufs], + strb->surface); + framebuffer->nr_cbufs++; + } + strb->defined = GL_TRUE; /* we'll be drawing something */ + } + } + for (i = framebuffer->nr_cbufs; i < PIPE_MAX_COLOR_BUFS; i++) { + pipe_surface_reference(&framebuffer->cbufs[i], NULL); + } + + /* + * Depth/Stencil renderbuffer/surface. + */ + strb = st_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); + if (strb) { + strb = st_renderbuffer(strb->Base.Wrapped); + if (strb->rtt) { + /* rendering to a GL texture, may have to update surface */ + update_renderbuffer_surface(st, strb); + } + pipe_surface_reference(&framebuffer->zsbuf, strb->surface); + } + else { + strb = st_renderbuffer(fb->Attachment[BUFFER_STENCIL].Renderbuffer); + if (strb) { + strb = st_renderbuffer(strb->Base.Wrapped); + assert(strb->surface); + pipe_surface_reference(&framebuffer->zsbuf, strb->surface); + } + else + pipe_surface_reference(&framebuffer->zsbuf, NULL); + } + +#ifdef DEBUG + /* Make sure the resource binding flags were set properly */ + for (i = 0; i < framebuffer->nr_cbufs; i++) { + assert(framebuffer->cbufs[i]->texture->bind & PIPE_BIND_RENDER_TARGET); + } + if (framebuffer->zsbuf) { + assert(framebuffer->zsbuf->texture->bind & PIPE_BIND_DEPTH_STENCIL); + } +#endif + + cso_set_framebuffer(st->cso_context, framebuffer); +} + + +const struct st_tracked_state st_update_framebuffer = { + "st_update_framebuffer", /* name */ + { /* dirty */ + _NEW_BUFFERS, /* mesa */ + ST_NEW_FRAMEBUFFER, /* st */ + }, + update_framebuffer_state /* update */ +}; + |