777 lines
25 KiB
C
777 lines
25 KiB
C
/**************************************************************************
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*
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* Copyright 2006 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/enums.h"
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#include "main/macros.h"
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#include "main/mtypes.h"
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#include "main/fbobject.h"
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#include "main/framebuffer.h"
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#include "main/renderbuffer.h"
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#include "main/context.h"
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#include "main/teximage.h"
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#include "main/image.h"
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#include "util/u_memory.h"
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#include "swrast/swrast.h"
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#include "drivers/common/meta.h"
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#include "intel_context.h"
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#include "intel_batchbuffer.h"
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#include "intel_buffers.h"
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#include "intel_blit.h"
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#include "intel_fbo.h"
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#include "intel_mipmap_tree.h"
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#include "intel_regions.h"
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#include "intel_tex.h"
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#define FILE_DEBUG_FLAG DEBUG_FBO
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static struct gl_renderbuffer *
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intel_new_renderbuffer(struct gl_context * ctx, GLuint name);
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struct intel_region*
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intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex)
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{
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struct intel_renderbuffer *irb = intel_get_renderbuffer(fb, attIndex);
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if (irb && irb->mt)
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return irb->mt->region;
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else
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return NULL;
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}
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/** Called by gl_renderbuffer::Delete() */
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static void
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intel_delete_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
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{
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struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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assert(irb);
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intel_miptree_release(&irb->mt);
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_mesa_delete_renderbuffer(ctx, rb);
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}
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/**
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* \see dd_function_table::MapRenderbuffer
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*/
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static void
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intel_map_renderbuffer(struct gl_context *ctx,
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struct gl_renderbuffer *rb,
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GLuint x, GLuint y, GLuint w, GLuint h,
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GLbitfield mode,
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GLubyte **out_map,
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GLint *out_stride,
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bool flip_y)
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{
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struct intel_context *intel = intel_context(ctx);
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struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb;
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struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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void *map;
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int stride;
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/* driver does not support GL_FRAMEBUFFER_FLIP_Y_MESA */
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assert((rb->Name == 0) == flip_y);
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if (srb->Buffer) {
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/* this is a malloc'd renderbuffer (accum buffer), not an irb */
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GLint bpp = _mesa_get_format_bytes(rb->Format);
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GLint rowStride = srb->RowStride;
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*out_map = (GLubyte *) srb->Buffer + y * rowStride + x * bpp;
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*out_stride = rowStride;
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return;
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}
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intel_prepare_render(intel);
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/* For a window-system renderbuffer, we need to flip the mapping we receive
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* upside-down. So we need to ask for a rectangle on flipped vertically, and
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* we then return a pointer to the bottom of it with a negative stride.
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*/
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if (rb->Name == 0) {
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y = rb->Height - y - h;
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}
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intel_miptree_map(intel, irb->mt, irb->mt_level, irb->mt_layer,
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x, y, w, h, mode, &map, &stride);
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if (rb->Name == 0) {
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map += (h - 1) * stride;
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stride = -stride;
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}
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DBG("%s: rb %d (%s) mt mapped: (%d, %d) (%dx%d) -> %p/%d\n",
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__func__, rb->Name, _mesa_get_format_name(rb->Format),
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x, y, w, h, map, stride);
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*out_map = map;
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*out_stride = stride;
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}
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/**
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* \see dd_function_table::UnmapRenderbuffer
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*/
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static void
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intel_unmap_renderbuffer(struct gl_context *ctx,
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struct gl_renderbuffer *rb)
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{
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struct intel_context *intel = intel_context(ctx);
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struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb;
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struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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DBG("%s: rb %d (%s)\n", __func__,
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rb->Name, _mesa_get_format_name(rb->Format));
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if (srb->Buffer) {
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/* this is a malloc'd renderbuffer (accum buffer) */
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/* nothing to do */
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return;
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}
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intel_miptree_unmap(intel, irb->mt, irb->mt_level, irb->mt_layer);
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}
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static mesa_format
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intel_renderbuffer_format(struct gl_context * ctx, GLenum internalFormat)
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{
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struct intel_context *intel = intel_context(ctx);
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switch (internalFormat) {
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default:
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/* Use the same format-choice logic as for textures.
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* Renderbuffers aren't any different from textures for us,
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* except they're less useful because you can't texture with
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* them.
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*/
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return intel->ctx.Driver.ChooseTextureFormat(ctx, GL_TEXTURE_2D,
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internalFormat,
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GL_NONE, GL_NONE);
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case GL_DEPTH_COMPONENT16:
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return MESA_FORMAT_Z_UNORM16;
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case GL_DEPTH_COMPONENT:
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case GL_DEPTH_COMPONENT24:
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case GL_DEPTH_COMPONENT32:
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return MESA_FORMAT_Z24_UNORM_X8_UINT;
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case GL_DEPTH_STENCIL_EXT:
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case GL_DEPTH24_STENCIL8_EXT:
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case GL_STENCIL_INDEX:
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case GL_STENCIL_INDEX1_EXT:
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case GL_STENCIL_INDEX4_EXT:
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case GL_STENCIL_INDEX8_EXT:
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case GL_STENCIL_INDEX16_EXT:
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/* These aren't actual texture formats, so force them here. */
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return MESA_FORMAT_Z24_UNORM_S8_UINT;
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}
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}
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static GLboolean
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intel_alloc_private_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
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GLenum internalFormat,
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GLuint width, GLuint height)
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{
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struct intel_context *intel = intel_context(ctx);
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struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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assert(rb->Format != MESA_FORMAT_NONE);
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rb->Width = width;
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rb->Height = height;
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rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
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intel_miptree_release(&irb->mt);
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DBG("%s: %s: %s (%dx%d)\n", __func__,
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_mesa_enum_to_string(internalFormat),
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_mesa_get_format_name(rb->Format), width, height);
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if (width == 0 || height == 0)
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return true;
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irb->mt = intel_miptree_create_for_renderbuffer(intel, rb->Format,
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width, height);
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if (!irb->mt)
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return false;
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return true;
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}
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/**
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* Called via glRenderbufferStorageEXT() to set the format and allocate
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* storage for a user-created renderbuffer.
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*/
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static GLboolean
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intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb,
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GLenum internalFormat,
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GLuint width, GLuint height)
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{
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rb->Format = intel_renderbuffer_format(ctx, internalFormat);
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return intel_alloc_private_renderbuffer_storage(ctx, rb, internalFormat, width, height);
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}
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static void
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intel_image_target_renderbuffer_storage(struct gl_context *ctx,
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struct gl_renderbuffer *rb,
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void *image_handle)
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{
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struct intel_context *intel = intel_context(ctx);
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struct intel_renderbuffer *irb;
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__DRIscreen *screen;
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__DRIimage *image;
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screen = intel->intelScreen->driScrnPriv;
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image = screen->dri2.image->lookupEGLImage(screen, image_handle,
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screen->loaderPrivate);
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if (image == NULL)
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return;
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/* __DRIimage is opaque to the core so it has to be checked here */
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switch (image->format) {
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case MESA_FORMAT_R8G8B8A8_UNORM:
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_mesa_error(&intel->ctx, GL_INVALID_OPERATION,
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"glEGLImageTargetRenderbufferStorage(unsupported image format");
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return;
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break;
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default:
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break;
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}
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irb = intel_renderbuffer(rb);
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intel_miptree_release(&irb->mt);
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irb->mt = intel_miptree_create_for_bo(intel,
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image->region->bo,
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image->format,
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image->offset,
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image->region->width,
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image->region->height,
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image->region->pitch,
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image->region->tiling);
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if (!irb->mt)
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return;
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rb->InternalFormat = image->internal_format;
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rb->Width = image->region->width;
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rb->Height = image->region->height;
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rb->Format = image->format;
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rb->_BaseFormat = _mesa_get_format_base_format(image->format);
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rb->NeedsFinishRenderTexture = true;
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}
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/**
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* Called by _mesa_resize_framebuffer() for each hardware renderbuffer when a
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* window system framebuffer is resized.
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*
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* Any actual buffer reallocations for hardware renderbuffers (which would
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* have triggered _mesa_resize_framebuffer()) were done by
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* intel_process_dri2_buffer().
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*/
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static GLboolean
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intel_alloc_window_storage(UNUSED struct gl_context *ctx, struct gl_renderbuffer *rb,
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GLenum internalFormat, GLuint width, GLuint height)
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{
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assert(rb->Name == 0);
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rb->Width = width;
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rb->Height = height;
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rb->InternalFormat = internalFormat;
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return true;
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}
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/** Dummy function for gl_renderbuffer::AllocStorage() */
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static GLboolean
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intel_nop_alloc_storage(UNUSED struct gl_context *ctx,
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UNUSED struct gl_renderbuffer *rb,
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UNUSED GLenum internalFormat,
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UNUSED GLuint width, UNUSED GLuint height)
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{
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_mesa_problem(ctx, "intel_op_alloc_storage should never be called.");
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return false;
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}
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/**
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* Create a new intel_renderbuffer which corresponds to an on-screen window,
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* not a user-created renderbuffer.
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*/
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struct intel_renderbuffer *
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intel_create_renderbuffer(mesa_format format)
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{
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struct intel_renderbuffer *irb;
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struct gl_renderbuffer *rb;
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GET_CURRENT_CONTEXT(ctx);
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irb = CALLOC_STRUCT(intel_renderbuffer);
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if (!irb) {
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_mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer");
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return NULL;
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}
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rb = &irb->Base.Base;
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_mesa_init_renderbuffer(rb, 0);
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rb->ClassID = INTEL_RB_CLASS;
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rb->_BaseFormat = _mesa_get_format_base_format(format);
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rb->Format = format;
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rb->InternalFormat = rb->_BaseFormat;
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/* intel-specific methods */
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rb->Delete = intel_delete_renderbuffer;
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rb->AllocStorage = intel_alloc_window_storage;
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return irb;
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}
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/**
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* Private window-system buffers (as opposed to ones shared with the display
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* server created with intel_create_renderbuffer()) are most similar in their
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* handling to user-created renderbuffers, but they have a resize handler that
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* may be called at intel_update_renderbuffers() time.
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*/
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struct intel_renderbuffer *
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intel_create_private_renderbuffer(mesa_format format)
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{
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struct intel_renderbuffer *irb;
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irb = intel_create_renderbuffer(format);
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irb->Base.Base.AllocStorage = intel_alloc_private_renderbuffer_storage;
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return irb;
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}
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/**
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* Create a new renderbuffer object.
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* Typically called via glBindRenderbufferEXT().
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*/
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static struct gl_renderbuffer *
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intel_new_renderbuffer(struct gl_context * ctx, GLuint name)
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{
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/*struct intel_context *intel = intel_context(ctx); */
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struct intel_renderbuffer *irb;
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struct gl_renderbuffer *rb;
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irb = CALLOC_STRUCT(intel_renderbuffer);
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if (!irb) {
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_mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer");
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return NULL;
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}
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rb = &irb->Base.Base;
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_mesa_init_renderbuffer(rb, name);
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rb->ClassID = INTEL_RB_CLASS;
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/* intel-specific methods */
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rb->Delete = intel_delete_renderbuffer;
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rb->AllocStorage = intel_alloc_renderbuffer_storage;
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/* span routines set in alloc_storage function */
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return rb;
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}
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/**
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* Called via glBindFramebufferEXT().
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*/
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static void
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intel_bind_framebuffer(struct gl_context * ctx, GLenum target,
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UNUSED struct gl_framebuffer *fb,
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UNUSED struct gl_framebuffer *fbread)
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{
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if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) {
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intel_draw_buffer(ctx);
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}
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else {
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/* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */
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}
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}
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/**
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* Called via glFramebufferRenderbufferEXT().
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*/
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static void
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intel_framebuffer_renderbuffer(struct gl_context * ctx,
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struct gl_framebuffer *fb,
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GLenum attachment, struct gl_renderbuffer *rb)
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{
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DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0);
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_mesa_FramebufferRenderbuffer_sw(ctx, fb, attachment, rb);
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intel_draw_buffer(ctx);
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}
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static bool
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intel_renderbuffer_update_wrapper(struct intel_renderbuffer *irb,
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struct gl_texture_image *image,
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uint32_t layer)
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{
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struct gl_renderbuffer *rb = &irb->Base.Base;
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struct intel_texture_image *intel_image = intel_texture_image(image);
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struct intel_mipmap_tree *mt = intel_image->mt;
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int level = image->Level;
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rb->AllocStorage = intel_nop_alloc_storage;
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intel_miptree_check_level_layer(mt, level, layer);
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irb->mt_level = level;
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irb->mt_layer = layer;
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intel_miptree_reference(&irb->mt, mt);
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intel_renderbuffer_set_draw_offset(irb);
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return true;
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}
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void
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intel_renderbuffer_set_draw_offset(struct intel_renderbuffer *irb)
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{
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unsigned int dst_x, dst_y;
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/* compute offset of the particular 2D image within the texture region */
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intel_miptree_get_image_offset(irb->mt,
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irb->mt_level,
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irb->mt_layer,
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&dst_x, &dst_y);
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irb->draw_x = dst_x;
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irb->draw_y = dst_y;
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}
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/**
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* Called by glFramebufferTexture[123]DEXT() (and other places) to
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* prepare for rendering into texture memory. This might be called
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* many times to choose different texture levels, cube faces, etc
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* before intel_finish_render_texture() is ever called.
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*/
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static void
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intel_render_texture(struct gl_context * ctx,
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struct gl_framebuffer *fb,
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struct gl_renderbuffer_attachment *att)
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{
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struct gl_renderbuffer *rb = att->Renderbuffer;
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struct intel_renderbuffer *irb = intel_renderbuffer(rb);
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struct gl_texture_image *image = rb->TexImage;
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struct intel_texture_image *intel_image = intel_texture_image(image);
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struct intel_mipmap_tree *mt = intel_image->mt;
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int layer;
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(void) fb;
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if (att->CubeMapFace > 0) {
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assert(att->Zoffset == 0);
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layer = att->CubeMapFace;
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} else {
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layer = att->Zoffset;
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}
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if (!intel_image->mt) {
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/* Fallback on drawing to a texture that doesn't have a miptree
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* (has a border, width/height 0, etc.)
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*/
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_swrast_render_texture(ctx, fb, att);
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return;
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}
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intel_miptree_check_level_layer(mt, att->TextureLevel, layer);
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if (!intel_renderbuffer_update_wrapper(irb, image, layer)) {
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_swrast_render_texture(ctx, fb, att);
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return;
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}
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DBG("Begin render %s texture tex=%u w=%d h=%d d=%d refcount=%d\n",
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_mesa_get_format_name(image->TexFormat),
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att->Texture->Name, image->Width, image->Height, image->Depth,
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rb->RefCount);
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/* update drawing region, etc */
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intel_draw_buffer(ctx);
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}
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/**
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* Called by Mesa when rendering to a texture is done.
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*/
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static void
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intel_finish_render_texture(struct gl_context * ctx, struct gl_renderbuffer *rb)
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{
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struct intel_context *intel = intel_context(ctx);
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|
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DBG("Finish render %s texture\n", _mesa_get_format_name(rb->Format));
|
|
|
|
/* Since we've (probably) rendered to the texture and will (likely) use
|
|
* it in the texture domain later on in this batchbuffer, flush the
|
|
* batch. Once again, we wish for a domain tracker in libdrm to cover
|
|
* usage inside of a batchbuffer like GEM does in the kernel.
|
|
*/
|
|
intel_batchbuffer_emit_mi_flush(intel);
|
|
}
|
|
|
|
#define fbo_incomplete(fb, ...) do { \
|
|
static GLuint msg_id = 0; \
|
|
if (unlikely(ctx->Const.ContextFlags & GL_CONTEXT_FLAG_DEBUG_BIT)) { \
|
|
_mesa_gl_debugf(ctx, &msg_id, \
|
|
MESA_DEBUG_SOURCE_API, \
|
|
MESA_DEBUG_TYPE_OTHER, \
|
|
MESA_DEBUG_SEVERITY_MEDIUM, \
|
|
__VA_ARGS__); \
|
|
} \
|
|
DBG(__VA_ARGS__); \
|
|
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED; \
|
|
} while (0)
|
|
|
|
/**
|
|
* Do additional "completeness" testing of a framebuffer object.
|
|
*/
|
|
static void
|
|
intel_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
|
|
{
|
|
struct intel_context *intel = intel_context(ctx);
|
|
struct intel_renderbuffer *depthRb =
|
|
intel_get_renderbuffer(fb, BUFFER_DEPTH);
|
|
struct intel_renderbuffer *stencilRb =
|
|
intel_get_renderbuffer(fb, BUFFER_STENCIL);
|
|
struct intel_mipmap_tree *depth_mt = NULL, *stencil_mt = NULL;
|
|
int i;
|
|
|
|
DBG("%s() on fb %p (%s)\n", __func__,
|
|
fb, (fb == ctx->DrawBuffer ? "drawbuffer" :
|
|
(fb == ctx->ReadBuffer ? "readbuffer" : "other buffer")));
|
|
|
|
if (depthRb)
|
|
depth_mt = depthRb->mt;
|
|
if (stencilRb)
|
|
stencil_mt = stencilRb->mt;
|
|
|
|
if (depth_mt && stencil_mt) {
|
|
/* Make sure that the depth and stencil buffers are actually the same
|
|
* slice of the same miptree, since we only support packed
|
|
* depth/stencil.
|
|
*/
|
|
if (depth_mt == stencil_mt) {
|
|
if (depthRb->mt_level != stencilRb->mt_level ||
|
|
depthRb->mt_layer != stencilRb->mt_layer) {
|
|
fbo_incomplete(fb,
|
|
"FBO incomplete: depth image level/layer %d/%d != "
|
|
"stencil image %d/%d\n",
|
|
depthRb->mt_level,
|
|
depthRb->mt_layer,
|
|
stencilRb->mt_level,
|
|
stencilRb->mt_layer);
|
|
}
|
|
} else {
|
|
fbo_incomplete(fb, "FBO incomplete: separate stencil unsupported\n");
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fb->Attachment); i++) {
|
|
struct gl_renderbuffer *rb;
|
|
struct intel_renderbuffer *irb;
|
|
|
|
if (fb->Attachment[i].Type == GL_NONE)
|
|
continue;
|
|
|
|
/* A supported attachment will have a Renderbuffer set either
|
|
* from being a Renderbuffer or being a texture that got the
|
|
* intel_wrap_texture() treatment.
|
|
*/
|
|
rb = fb->Attachment[i].Renderbuffer;
|
|
if (rb == NULL) {
|
|
fbo_incomplete(fb, "FBO incomplete: attachment without "
|
|
"renderbuffer\n");
|
|
continue;
|
|
}
|
|
|
|
if (fb->Attachment[i].Type == GL_TEXTURE) {
|
|
if (rb->TexImage->Border) {
|
|
fbo_incomplete(fb, "FBO incomplete: texture with border\n");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
irb = intel_renderbuffer(rb);
|
|
if (irb == NULL) {
|
|
fbo_incomplete(fb, "FBO incomplete: software rendering "
|
|
"renderbuffer\n");
|
|
continue;
|
|
}
|
|
|
|
if (!intel->vtbl.render_target_supported(intel, rb)) {
|
|
fbo_incomplete(fb, "FBO incomplete: Unsupported HW "
|
|
"texture/renderbuffer format attached: %s\n",
|
|
_mesa_get_format_name(intel_rb_format(irb)));
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Try to do a glBlitFramebuffer using glCopyTexSubImage2D
|
|
* We can do this when the dst renderbuffer is actually a texture and
|
|
* there is no scaling, mirroring or scissoring.
|
|
*
|
|
* \return new buffer mask indicating the buffers left to blit using the
|
|
* normal path.
|
|
*/
|
|
static GLbitfield
|
|
intel_blit_framebuffer_with_blitter(struct gl_context *ctx,
|
|
const struct gl_framebuffer *readFb,
|
|
const struct gl_framebuffer *drawFb,
|
|
GLint srcX0, GLint srcY0,
|
|
GLint srcX1, GLint srcY1,
|
|
GLint dstX0, GLint dstY0,
|
|
GLint dstX1, GLint dstY1,
|
|
GLbitfield mask)
|
|
{
|
|
struct intel_context *intel = intel_context(ctx);
|
|
|
|
/* Sync up the state of window system buffers. We need to do this before
|
|
* we go looking for the buffers.
|
|
*/
|
|
intel_prepare_render(intel);
|
|
|
|
if (mask & GL_COLOR_BUFFER_BIT) {
|
|
GLint i;
|
|
struct gl_renderbuffer *src_rb = readFb->_ColorReadBuffer;
|
|
struct intel_renderbuffer *src_irb = intel_renderbuffer(src_rb);
|
|
|
|
if (!src_irb) {
|
|
perf_debug("glBlitFramebuffer(): missing src renderbuffer. "
|
|
"Falling back to software rendering.\n");
|
|
return mask;
|
|
}
|
|
|
|
/* If the source and destination are the same size with no mirroring,
|
|
* the rectangles are within the size of the texture and there is no
|
|
* scissor, then we can probably use the blit engine.
|
|
*/
|
|
if (!(srcX0 - srcX1 == dstX0 - dstX1 &&
|
|
srcY0 - srcY1 == dstY0 - dstY1 &&
|
|
srcX1 >= srcX0 &&
|
|
srcY1 >= srcY0 &&
|
|
srcX0 >= 0 && srcX1 <= readFb->Width &&
|
|
srcY0 >= 0 && srcY1 <= readFb->Height &&
|
|
dstX0 >= 0 && dstX1 <= drawFb->Width &&
|
|
dstY0 >= 0 && dstY1 <= drawFb->Height &&
|
|
!ctx->Scissor.EnableFlags)) {
|
|
perf_debug("glBlitFramebuffer(): non-1:1 blit. "
|
|
"Falling back to software rendering.\n");
|
|
return mask;
|
|
}
|
|
|
|
/* Blit to all active draw buffers. We don't do any pre-checking,
|
|
* because we assume that copying to MRTs is rare, and failure midway
|
|
* through copying is even more rare. Even if it was to occur, it's
|
|
* safe to let meta start the copy over from scratch, because
|
|
* glBlitFramebuffer completely overwrites the destination pixels, and
|
|
* results are undefined if any destination pixels have a dependency on
|
|
* source pixels.
|
|
*/
|
|
for (i = 0; i < drawFb->_NumColorDrawBuffers; i++) {
|
|
struct gl_renderbuffer *dst_rb = drawFb->_ColorDrawBuffers[i];
|
|
struct intel_renderbuffer *dst_irb = intel_renderbuffer(dst_rb);
|
|
|
|
if (!dst_irb) {
|
|
perf_debug("glBlitFramebuffer(): missing dst renderbuffer. "
|
|
"Falling back to software rendering.\n");
|
|
return mask;
|
|
}
|
|
|
|
mesa_format src_format = _mesa_get_srgb_format_linear(src_rb->Format);
|
|
mesa_format dst_format = _mesa_get_srgb_format_linear(dst_rb->Format);
|
|
if (src_format != dst_format) {
|
|
perf_debug("glBlitFramebuffer(): unsupported blit from %s to %s. "
|
|
"Falling back to software rendering.\n",
|
|
_mesa_get_format_name(src_format),
|
|
_mesa_get_format_name(dst_format));
|
|
return mask;
|
|
}
|
|
|
|
if (!intel_miptree_blit(intel,
|
|
src_irb->mt,
|
|
src_irb->mt_level, src_irb->mt_layer,
|
|
srcX0, srcY0, src_rb->Name == 0,
|
|
dst_irb->mt,
|
|
dst_irb->mt_level, dst_irb->mt_layer,
|
|
dstX0, dstY0, dst_rb->Name == 0,
|
|
dstX1 - dstX0, dstY1 - dstY0, COLOR_LOGICOP_COPY)) {
|
|
perf_debug("glBlitFramebuffer(): unknown blit failure. "
|
|
"Falling back to software rendering.\n");
|
|
return mask;
|
|
}
|
|
}
|
|
|
|
mask &= ~GL_COLOR_BUFFER_BIT;
|
|
}
|
|
|
|
return mask;
|
|
}
|
|
|
|
static void
|
|
intel_blit_framebuffer(struct gl_context *ctx,
|
|
struct gl_framebuffer *readFb,
|
|
struct gl_framebuffer *drawFb,
|
|
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
|
|
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
|
|
GLbitfield mask, GLenum filter)
|
|
{
|
|
/* Try using the BLT engine. */
|
|
mask = intel_blit_framebuffer_with_blitter(ctx, readFb, drawFb,
|
|
srcX0, srcY0, srcX1, srcY1,
|
|
dstX0, dstY0, dstX1, dstY1,
|
|
mask);
|
|
if (mask == 0x0)
|
|
return;
|
|
|
|
|
|
_mesa_meta_and_swrast_BlitFramebuffer(ctx, readFb, drawFb,
|
|
srcX0, srcY0, srcX1, srcY1,
|
|
dstX0, dstY0, dstX1, dstY1,
|
|
mask, filter);
|
|
}
|
|
|
|
/**
|
|
* Do one-time context initializations related to GL_EXT_framebuffer_object.
|
|
* Hook in device driver functions.
|
|
*/
|
|
void
|
|
intel_fbo_init(struct intel_context *intel)
|
|
{
|
|
intel->ctx.Driver.NewRenderbuffer = intel_new_renderbuffer;
|
|
intel->ctx.Driver.MapRenderbuffer = intel_map_renderbuffer;
|
|
intel->ctx.Driver.UnmapRenderbuffer = intel_unmap_renderbuffer;
|
|
intel->ctx.Driver.BindFramebuffer = intel_bind_framebuffer;
|
|
intel->ctx.Driver.FramebufferRenderbuffer = intel_framebuffer_renderbuffer;
|
|
intel->ctx.Driver.RenderTexture = intel_render_texture;
|
|
intel->ctx.Driver.FinishRenderTexture = intel_finish_render_texture;
|
|
intel->ctx.Driver.ValidateFramebuffer = intel_validate_framebuffer;
|
|
intel->ctx.Driver.BlitFramebuffer = intel_blit_framebuffer;
|
|
intel->ctx.Driver.EGLImageTargetRenderbufferStorage =
|
|
intel_image_target_renderbuffer_storage;
|
|
}
|