X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_cb_fbo.c;h=7cfd3dadefaca8c24b328725dd30aa0ce3945d9d;hb=6ff5bb24658c55c28e462c657816fda2d8e53a65;hp=826722be862d5b82567782bb6d6634a8eb3f515f;hpb=a5b0452400dd6c2fd2a0921584f6fcee915a8b62;p=mesa.git diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index 826722be862..7cfd3dadefa 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2007 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,7 +18,7 @@ * 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 + * IN NO EVENT SHALL VMWARE 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. @@ -37,6 +37,7 @@ #include "main/context.h" #include "main/fbobject.h" #include "main/framebuffer.h" +#include "main/glformats.h" #include "main/macros.h" #include "main/renderbuffer.h" @@ -132,6 +133,13 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx, pipe_surface_reference( &strb->surface, NULL ); pipe_resource_reference( &strb->texture, NULL ); + /* If an sRGB framebuffer is unsupported, sRGB formats behave like linear + * formats. + */ + if (!ctx->Extensions.EXT_framebuffer_sRGB) { + internalFormat = _mesa_get_linear_internalformat(internalFormat); + } + /* Handle multisample renderbuffers first. * * From ARB_framebuffer_object: @@ -287,7 +295,7 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) strb->Base.Format = st_pipe_format_to_mesa_format(format); strb->Base._BaseFormat = _mesa_get_format_base_format(strb->Base.Format); strb->software = sw; - + switch (format) { case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_B8G8R8A8_UNORM: @@ -299,6 +307,16 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw) case PIPE_FORMAT_X8R8G8B8_UNORM: strb->Base.InternalFormat = GL_RGB8; break; + case PIPE_FORMAT_R8G8B8A8_SRGB: + case PIPE_FORMAT_B8G8R8A8_SRGB: + case PIPE_FORMAT_A8R8G8B8_SRGB: + strb->Base.InternalFormat = GL_SRGB8_ALPHA8; + break; + case PIPE_FORMAT_R8G8B8X8_SRGB: + case PIPE_FORMAT_B8G8R8X8_SRGB: + case PIPE_FORMAT_X8R8G8B8_SRGB: + strb->Base.InternalFormat = GL_SRGB8; + break; case PIPE_FORMAT_B5G5R5A1_UNORM: strb->Base.InternalFormat = GL_RGB5_A1; break; @@ -380,6 +398,81 @@ st_bind_framebuffer(struct gl_context *ctx, GLenum target, } +/** + * Create or update the pipe_surface of a FBO renderbuffer. + * This is usually called after st_finalize_texture. + */ +void +st_update_renderbuffer_surface(struct st_context *st, + struct st_renderbuffer *strb) +{ + struct pipe_context *pipe = st->pipe; + struct pipe_resource *resource = strb->texture; + int rtt_width = strb->Base.Width; + int rtt_height = strb->Base.Height; + int rtt_depth = strb->Base.Depth; + /* + * For winsys fbo, it is possible that the renderbuffer is sRGB-capable but + * the format of strb->texture is linear (because we have no control over + * the format). Check strb->Base.Format instead of strb->texture->format + * to determine if the rb is sRGB-capable. + */ + boolean enable_srgb = (st->ctx->Color.sRGBEnabled && + _mesa_get_format_color_encoding(strb->Base.Format) == GL_SRGB); + enum pipe_format format = (enable_srgb) ? + util_format_srgb(resource->format) : + util_format_linear(resource->format); + unsigned first_layer, last_layer, level; + + if (resource->target == PIPE_TEXTURE_1D_ARRAY) { + rtt_depth = rtt_height; + rtt_height = 1; + } + + /* 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 && + (resource->target != PIPE_TEXTURE_3D || + u_minify(resource->depth0, level) == rtt_depth)) { + break; + } + } + assert(level <= resource->last_level); + + /* determine the layer bounds */ + if (strb->rtt_layered) { + first_layer = 0; + last_layer = util_max_layer(strb->texture, level); + } + else { + first_layer = + last_layer = strb->rtt_face + strb->rtt_slice; + } + + if (!strb->surface || + strb->surface->texture->nr_samples != strb->Base.NumSamples || + strb->surface->format != format || + strb->surface->texture != resource || + strb->surface->width != rtt_width || + strb->surface->height != rtt_height || + strb->surface->u.tex.level != level || + strb->surface->u.tex.first_layer != first_layer || + strb->surface->u.tex.last_layer != last_layer) { + /* create a new pipe_surface */ + struct pipe_surface surf_tmpl; + memset(&surf_tmpl, 0, sizeof(surf_tmpl)); + surf_tmpl.format = format; + surf_tmpl.u.tex.level = level; + surf_tmpl.u.tex.first_layer = first_layer; + surf_tmpl.u.tex.last_layer = last_layer; + + pipe_surface_reference(&strb->surface, NULL); + + strb->surface = pipe->create_surface(pipe, resource, &surf_tmpl); + } +} + /** * Called by ctx->Driver.RenderTexture */ @@ -393,8 +486,6 @@ st_render_texture(struct gl_context *ctx, struct gl_renderbuffer *rb = att->Renderbuffer; struct st_renderbuffer *strb = st_renderbuffer(rb); struct pipe_resource *pt; - struct st_texture_object *stObj; - struct pipe_surface surf_tmpl; if (!st_finalize_texture(ctx, pipe, att->Texture)) return; @@ -402,31 +493,16 @@ st_render_texture(struct gl_context *ctx, pt = st_get_texobj_resource(att->Texture); assert(pt); - /* get the texture for the texture object */ - stObj = st_texture_object(att->Texture); - /* point renderbuffer at texobject */ - strb->rtt = stObj; - strb->rtt_level = att->TextureLevel; + strb->is_rtt = TRUE; strb->rtt_face = att->CubeMapFace; strb->rtt_slice = att->Zoffset; - - pipe_resource_reference( &strb->texture, pt ); + strb->rtt_layered = att->Layered; + pipe_resource_reference(&strb->texture, pt); pipe_surface_release(pipe, &strb->surface); - assert(strb->rtt_level <= strb->texture->last_level); - - /* new surface for rendering into the texture */ - memset(&surf_tmpl, 0, sizeof(surf_tmpl)); - surf_tmpl.format = ctx->Color.sRGBEnabled - ? strb->texture->format : util_format_linear(strb->texture->format); - surf_tmpl.u.tex.level = strb->rtt_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; - strb->surface = pipe->create_surface(pipe, - strb->texture, - &surf_tmpl); + st_update_renderbuffer_surface(st, strb); strb->Base.Format = st_pipe_format_to_mesa_format(pt->format); @@ -456,7 +532,7 @@ st_finish_render_texture(struct gl_context *ctx, struct gl_renderbuffer *rb) if (!strb) return; - strb->rtt = NULL; + strb->is_rtt = FALSE; /* restore previous framebuffer state */ st_invalidate_state(ctx, _NEW_BUFFERS); @@ -484,9 +560,15 @@ st_validate_attachment(struct gl_context *ctx, { const struct st_texture_object *stObj = st_texture_object(att->Texture); enum pipe_format format; - gl_format texFormat; + mesa_format texFormat; GLboolean valid; + /* Sanity check: we must be binding the surface as a (color) render target + * or depth/stencil target. + */ + assert(bindings == PIPE_BIND_RENDER_TARGET || + bindings == PIPE_BIND_DEPTH_STENCIL); + /* Only validate texture attachments for now, since * st_renderbuffer_alloc_storage makes sure that * the format is supported. @@ -494,7 +576,7 @@ st_validate_attachment(struct gl_context *ctx, if (att->Type != GL_TEXTURE) return GL_TRUE; - if (!stObj) + if (!stObj || !stObj->pt) return GL_FALSE; format = stObj->pt->format; @@ -505,8 +587,8 @@ st_validate_attachment(struct gl_context *ctx, * Later when we create a surface, we change the format to a linear one. */ if (!ctx->Extensions.EXT_framebuffer_sRGB && _mesa_get_format_color_encoding(texFormat) == GL_SRGB) { - const gl_format linearFormat = _mesa_get_srgb_format_linear(texFormat); - format = st_mesa_format_to_pipe_format(linearFormat); + const mesa_format linearFormat = _mesa_get_srgb_format_linear(texFormat); + format = st_mesa_format_to_pipe_format(st_context(ctx), linearFormat); } valid = screen->is_format_supported(screen, format, @@ -623,7 +705,10 @@ st_DrawBuffers(struct gl_context *ctx, GLsizei count, const GLenum *buffers) /* add the renderbuffers on demand */ for (i = 0; i < fb->_NumColorDrawBuffers; i++) { gl_buffer_index idx = fb->_ColorDrawBufferIndexes[i]; - st_manager_add_color_renderbuffer(st, fb, idx); + + if (idx >= 0) { + st_manager_add_color_renderbuffer(st, fb, idx); + } } } @@ -640,7 +725,8 @@ st_ReadBuffer(struct gl_context *ctx, GLenum buffer) (void) buffer; /* add the renderbuffer on demand */ - st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); + if (fb->_ColorReadBufferIndex >= 0) + st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex); } @@ -698,8 +784,8 @@ st_MapRenderbuffer(struct gl_context *ctx, map = pipe_transfer_map(pipe, strb->texture, - strb->rtt_level, - strb->rtt_face + strb->rtt_slice, + strb->surface->u.tex.level, + strb->surface->u.tex.first_layer, usage, x, y2, w, h, &strb->transfer); if (map) { if (invert) {