diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_fbo.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_fbo.c | 949 |
1 files changed, 0 insertions, 949 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c deleted file mode 100644 index d16523b..0000000 --- a/src/mesa/drivers/dri/intel/intel_fbo.c +++ /dev/null @@ -1,949 +0,0 @@ -/************************************************************************** - * - * Copyright 2006 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. - * - **************************************************************************/ - - -#include "main/enums.h" -#include "main/imports.h" -#include "main/macros.h" -#include "main/mtypes.h" -#include "main/fbobject.h" -#include "main/framebuffer.h" -#include "main/renderbuffer.h" -#include "main/context.h" -#include "main/teximage.h" -#include "main/image.h" - -#include "swrast/swrast.h" -#include "drivers/common/meta.h" - -#include "intel_context.h" -#include "intel_batchbuffer.h" -#include "intel_buffers.h" -#include "intel_blit.h" -#include "intel_fbo.h" -#include "intel_mipmap_tree.h" -#include "intel_regions.h" -#include "intel_tex.h" -#ifndef I915 -#include "brw_context.h" -#endif - -#define FILE_DEBUG_FLAG DEBUG_FBO - -static struct gl_renderbuffer * -intel_new_renderbuffer(struct gl_context * ctx, GLuint name); - -struct intel_region* -intel_get_rb_region(struct gl_framebuffer *fb, GLuint attIndex) -{ - struct intel_renderbuffer *irb = intel_get_renderbuffer(fb, attIndex); - if (irb && irb->mt) { - if (attIndex == BUFFER_STENCIL && irb->mt->stencil_mt) - return irb->mt->stencil_mt->region; - else - return irb->mt->region; - } else - return NULL; -} - -/** - * Create a new framebuffer object. - */ -static struct gl_framebuffer * -intel_new_framebuffer(struct gl_context * ctx, GLuint name) -{ - /* Only drawable state in intel_framebuffer at this time, just use Mesa's - * class - */ - return _mesa_new_framebuffer(ctx, name); -} - - -/** Called by gl_renderbuffer::Delete() */ -static void -intel_delete_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb) -{ - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - - ASSERT(irb); - - intel_miptree_release(&irb->mt); - - _mesa_delete_renderbuffer(ctx, rb); -} - -/** - * \see dd_function_table::MapRenderbuffer - */ -static void -intel_map_renderbuffer(struct gl_context *ctx, - struct gl_renderbuffer *rb, - GLuint x, GLuint y, GLuint w, GLuint h, - GLbitfield mode, - GLubyte **out_map, - GLint *out_stride) -{ - struct intel_context *intel = intel_context(ctx); - struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb; - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - void *map; - int stride; - - if (srb->Buffer) { - /* this is a malloc'd renderbuffer (accum buffer), not an irb */ - GLint bpp = _mesa_get_format_bytes(rb->Format); - GLint rowStride = srb->RowStride; - *out_map = (GLubyte *) srb->Buffer + y * rowStride + x * bpp; - *out_stride = rowStride; - return; - } - - intel_prepare_render(intel); - - /* For a window-system renderbuffer, we need to flip the mapping we receive - * upside-down. So we need to ask for a rectangle on flipped vertically, and - * we then return a pointer to the bottom of it with a negative stride. - */ - if (rb->Name == 0) { - y = rb->Height - y - h; - } - - intel_miptree_map(intel, irb->mt, irb->mt_level, irb->mt_layer, - x, y, w, h, mode, &map, &stride); - - if (rb->Name == 0) { - map += (h - 1) * stride; - stride = -stride; - } - - DBG("%s: rb %d (%s) mt mapped: (%d, %d) (%dx%d) -> %p/%d\n", - __FUNCTION__, rb->Name, _mesa_get_format_name(rb->Format), - x, y, w, h, map, stride); - - *out_map = map; - *out_stride = stride; -} - -/** - * \see dd_function_table::UnmapRenderbuffer - */ -static void -intel_unmap_renderbuffer(struct gl_context *ctx, - struct gl_renderbuffer *rb) -{ - struct intel_context *intel = intel_context(ctx); - struct swrast_renderbuffer *srb = (struct swrast_renderbuffer *)rb; - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - - DBG("%s: rb %d (%s)\n", __FUNCTION__, - rb->Name, _mesa_get_format_name(rb->Format)); - - if (srb->Buffer) { - /* this is a malloc'd renderbuffer (accum buffer) */ - /* nothing to do */ - return; - } - - intel_miptree_unmap(intel, irb->mt, irb->mt_level, irb->mt_layer); -} - - -/** - * Round up the requested multisample count to the next supported sample size. - */ -unsigned -intel_quantize_num_samples(struct intel_screen *intel, unsigned num_samples) -{ - switch (intel->gen) { - case 6: - /* Gen6 supports only 4x multisampling. */ - if (num_samples > 0) - return 4; - else - return 0; - case 7: - /* Gen7 supports 4x and 8x multisampling. */ - if (num_samples > 4) - return 8; - else if (num_samples > 0) - return 4; - else - return 0; - return 0; - default: - /* MSAA unsupported. */ - return 0; - } -} - - -/** - * Called via glRenderbufferStorageEXT() to set the format and allocate - * storage for a user-created renderbuffer. - */ -static GLboolean -intel_alloc_renderbuffer_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, - GLuint width, GLuint height) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_screen *screen = intel->intelScreen; - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - rb->NumSamples = intel_quantize_num_samples(screen, rb->NumSamples); - - switch (internalFormat) { - default: - /* Use the same format-choice logic as for textures. - * Renderbuffers aren't any different from textures for us, - * except they're less useful because you can't texture with - * them. - */ - rb->Format = intel->ctx.Driver.ChooseTextureFormat(ctx, GL_TEXTURE_2D, - internalFormat, - GL_NONE, GL_NONE); - break; - case GL_STENCIL_INDEX: - case GL_STENCIL_INDEX1_EXT: - case GL_STENCIL_INDEX4_EXT: - case GL_STENCIL_INDEX8_EXT: - case GL_STENCIL_INDEX16_EXT: - /* These aren't actual texture formats, so force them here. */ - if (intel->has_separate_stencil) { - rb->Format = MESA_FORMAT_S8; - } else { - assert(!intel->must_use_separate_stencil); - rb->Format = MESA_FORMAT_S8_Z24; - } - break; - } - - rb->Width = width; - rb->Height = height; - rb->_BaseFormat = _mesa_base_fbo_format(ctx, internalFormat); - - intel_miptree_release(&irb->mt); - - DBG("%s: %s: %s (%dx%d)\n", __FUNCTION__, - _mesa_lookup_enum_by_nr(internalFormat), - _mesa_get_format_name(rb->Format), width, height); - - if (width == 0 || height == 0) - return true; - - irb->mt = intel_miptree_create_for_renderbuffer(intel, rb->Format, - width, height, - rb->NumSamples); - if (!irb->mt) - return false; - - return true; -} - - -static void -intel_image_target_renderbuffer_storage(struct gl_context *ctx, - struct gl_renderbuffer *rb, - void *image_handle) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_renderbuffer *irb; - __DRIscreen *screen; - __DRIimage *image; - - screen = intel->intelScreen->driScrnPriv; - image = screen->dri2.image->lookupEGLImage(screen, image_handle, - screen->loaderPrivate); - if (image == NULL) - return; - - /* __DRIimage is opaque to the core so it has to be checked here */ - switch (image->format) { - case MESA_FORMAT_RGBA8888_REV: - _mesa_error(&intel->ctx, GL_INVALID_OPERATION, - "glEGLImageTargetRenderbufferStorage(unsupported image format"); - return; - break; - default: - break; - } - - irb = intel_renderbuffer(rb); - intel_miptree_release(&irb->mt); - irb->mt = intel_miptree_create_for_bo(intel, - image->region->bo, - image->format, - image->offset, - image->region->width, - image->region->height, - image->region->pitch, - image->region->tiling); - if (!irb->mt) - return; - - rb->InternalFormat = image->internal_format; - rb->Width = image->region->width; - rb->Height = image->region->height; - rb->Format = image->format; - rb->_BaseFormat = _mesa_base_fbo_format(&intel->ctx, - image->internal_format); - rb->NeedsFinishRenderTexture = true; -} - -/** - * Called by _mesa_resize_framebuffer() for each hardware renderbuffer when a - * window system framebuffer is resized. - * - * Any actual buffer reallocations for hardware renderbuffers (which would - * have triggered _mesa_resize_framebuffer()) were done by - * intel_process_dri2_buffer(). - */ -static GLboolean -intel_alloc_window_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - ASSERT(rb->Name == 0); - rb->Width = width; - rb->Height = height; - rb->InternalFormat = internalFormat; - - return true; -} - -/** Dummy function for gl_renderbuffer::AllocStorage() */ -static GLboolean -intel_nop_alloc_storage(struct gl_context * ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - _mesa_problem(ctx, "intel_op_alloc_storage should never be called."); - return false; -} - -/** - * Create a new intel_renderbuffer which corresponds to an on-screen window, - * not a user-created renderbuffer. - * - * \param num_samples must be quantized. - */ -struct intel_renderbuffer * -intel_create_renderbuffer(gl_format format, unsigned num_samples) -{ - struct intel_renderbuffer *irb; - struct gl_renderbuffer *rb; - - GET_CURRENT_CONTEXT(ctx); - - irb = CALLOC_STRUCT(intel_renderbuffer); - if (!irb) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); - return NULL; - } - - rb = &irb->Base.Base; - - _mesa_init_renderbuffer(rb, 0); - rb->ClassID = INTEL_RB_CLASS; - rb->_BaseFormat = _mesa_get_format_base_format(format); - rb->Format = format; - rb->InternalFormat = rb->_BaseFormat; - rb->NumSamples = num_samples; - - /* intel-specific methods */ - rb->Delete = intel_delete_renderbuffer; - rb->AllocStorage = intel_alloc_window_storage; - - return irb; -} - -/** - * Private window-system buffers (as opposed to ones shared with the display - * server created with intel_create_renderbuffer()) are most similar in their - * handling to user-created renderbuffers, but they have a resize handler that - * may be called at intel_update_renderbuffers() time. - * - * \param num_samples must be quantized. - */ -struct intel_renderbuffer * -intel_create_private_renderbuffer(gl_format format, unsigned num_samples) -{ - struct intel_renderbuffer *irb; - - irb = intel_create_renderbuffer(format, num_samples); - irb->Base.Base.AllocStorage = intel_alloc_renderbuffer_storage; - - return irb; -} - -/** - * Create a new renderbuffer object. - * Typically called via glBindRenderbufferEXT(). - */ -static struct gl_renderbuffer * -intel_new_renderbuffer(struct gl_context * ctx, GLuint name) -{ - /*struct intel_context *intel = intel_context(ctx); */ - struct intel_renderbuffer *irb; - struct gl_renderbuffer *rb; - - irb = CALLOC_STRUCT(intel_renderbuffer); - if (!irb) { - _mesa_error(ctx, GL_OUT_OF_MEMORY, "creating renderbuffer"); - return NULL; - } - - rb = &irb->Base.Base; - - _mesa_init_renderbuffer(rb, name); - rb->ClassID = INTEL_RB_CLASS; - - /* intel-specific methods */ - rb->Delete = intel_delete_renderbuffer; - rb->AllocStorage = intel_alloc_renderbuffer_storage; - /* span routines set in alloc_storage function */ - - return rb; -} - - -/** - * Called via glBindFramebufferEXT(). - */ -static void -intel_bind_framebuffer(struct gl_context * ctx, GLenum target, - struct gl_framebuffer *fb, struct gl_framebuffer *fbread) -{ - if (target == GL_FRAMEBUFFER_EXT || target == GL_DRAW_FRAMEBUFFER_EXT) { - intel_draw_buffer(ctx); - } - else { - /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */ - } -} - - -/** - * Called via glFramebufferRenderbufferEXT(). - */ -static void -intel_framebuffer_renderbuffer(struct gl_context * ctx, - struct gl_framebuffer *fb, - GLenum attachment, struct gl_renderbuffer *rb) -{ - DBG("Intel FramebufferRenderbuffer %u %u\n", fb->Name, rb ? rb->Name : 0); - - _mesa_framebuffer_renderbuffer(ctx, fb, attachment, rb); - intel_draw_buffer(ctx); -} - -static bool -intel_renderbuffer_update_wrapper(struct intel_context *intel, - struct intel_renderbuffer *irb, - struct gl_texture_image *image, - uint32_t layer) -{ - struct gl_renderbuffer *rb = &irb->Base.Base; - struct intel_texture_image *intel_image = intel_texture_image(image); - struct intel_mipmap_tree *mt = intel_image->mt; - int level = image->Level; - - rb->Depth = image->Depth; - - rb->AllocStorage = intel_nop_alloc_storage; - - intel_miptree_check_level_layer(mt, level, layer); - irb->mt_level = level; - - switch (mt->msaa_layout) { - case INTEL_MSAA_LAYOUT_UMS: - case INTEL_MSAA_LAYOUT_CMS: - irb->mt_layer = layer * mt->num_samples; - break; - - default: - irb->mt_layer = layer; - } - - intel_miptree_reference(&irb->mt, mt); - - intel_renderbuffer_set_draw_offset(irb); - - if (mt->hiz_mt == NULL && - intel->vtbl.is_hiz_depth_format(intel, rb->Format)) { - intel_miptree_alloc_hiz(intel, mt); - if (!mt->hiz_mt) - return false; - } - - return true; -} - -void -intel_renderbuffer_set_draw_offset(struct intel_renderbuffer *irb) -{ - unsigned int dst_x, dst_y; - - /* compute offset of the particular 2D image within the texture region */ - intel_miptree_get_image_offset(irb->mt, - irb->mt_level, - irb->mt_layer, - &dst_x, &dst_y); - - irb->draw_x = dst_x; - irb->draw_y = dst_y; -} - -/** - * Called by glFramebufferTexture[123]DEXT() (and other places) to - * prepare for rendering into texture memory. This might be called - * many times to choose different texture levels, cube faces, etc - * before intel_finish_render_texture() is ever called. - */ -static void -intel_render_texture(struct gl_context * ctx, - struct gl_framebuffer *fb, - struct gl_renderbuffer_attachment *att) -{ - struct intel_context *intel = intel_context(ctx); - struct gl_renderbuffer *rb = att->Renderbuffer; - struct intel_renderbuffer *irb = intel_renderbuffer(rb); - struct gl_texture_image *image = rb->TexImage; - struct intel_texture_image *intel_image = intel_texture_image(image); - struct intel_mipmap_tree *mt = intel_image->mt; - int layer; - - (void) fb; - - if (att->CubeMapFace > 0) { - assert(att->Zoffset == 0); - layer = att->CubeMapFace; - } else { - layer = att->Zoffset; - } - - if (!intel_image->mt) { - /* Fallback on drawing to a texture that doesn't have a miptree - * (has a border, width/height 0, etc.) - */ - _swrast_render_texture(ctx, fb, att); - return; - } - - intel_miptree_check_level_layer(mt, att->TextureLevel, layer); - - if (!intel_renderbuffer_update_wrapper(intel, irb, image, layer)) { - _swrast_render_texture(ctx, fb, att); - return; - } - - DBG("Begin render %s texture tex=%u w=%d h=%d d=%d refcount=%d\n", - _mesa_get_format_name(image->TexFormat), - att->Texture->Name, image->Width, image->Height, image->Depth, - rb->RefCount); - - /* update drawing region, etc */ - intel_draw_buffer(ctx); -} - - -/** - * Called by Mesa when rendering to a texture is done. - */ -static void -intel_finish_render_texture(struct gl_context * ctx, struct gl_renderbuffer *rb) -{ - struct intel_context *intel = intel_context(ctx); - - 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_debug(ctx, &msg_id, \ - 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", __FUNCTION__, - fb, (fb == ctx->DrawBuffer ? "drawbuffer" : - (fb == ctx->ReadBuffer ? "readbuffer" : "other buffer"))); - - if (depthRb) - depth_mt = depthRb->mt; - if (stencilRb) { - stencil_mt = stencilRb->mt; - if (stencil_mt->stencil_mt) - stencil_mt = stencil_mt->stencil_mt; - } - - if (depth_mt && stencil_mt) { - if (depth_mt == stencil_mt) { - /* For true packed depth/stencil (not faked on prefers-separate-stencil - * hardware) we need to be sure they're the same level/layer, since - * we'll be emitting a single packet describing the packed setup. - */ - 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 { - if (!intel->has_separate_stencil) { - fbo_incomplete(fb, "FBO incomplete: separate stencil " - "unsupported\n"); - } - if (stencil_mt->format != MESA_FORMAT_S8) { - fbo_incomplete(fb, "FBO incomplete: separate stencil is %s " - "instead of S8\n", - _mesa_get_format_name(stencil_mt->format)); - } - if (intel->gen < 7 && !intel_renderbuffer_has_hiz(depthRb)) { - /* Before Gen7, separate depth and stencil buffers can be used - * only if HiZ is enabled. From the Sandybridge PRM, Volume 2, - * Part 1, Bit 3DSTATE_DEPTH_BUFFER.SeparateStencilBufferEnable: - * [DevSNB]: This field must be set to the same value (enabled - * or disabled) as Hierarchical Depth Buffer Enable. - */ - fbo_incomplete(fb, "FBO incomplete: separate stencil " - "without HiZ\n"); - } - } - } - - for (i = 0; i < Elements(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, - GLint srcX0, GLint srcY0, - GLint srcX1, GLint srcY1, - GLint dstX0, GLint dstY0, - GLint dstX1, GLint dstY1, - GLbitfield mask, GLenum filter) -{ - struct intel_context *intel = intel_context(ctx); - - if (mask & GL_COLOR_BUFFER_BIT) { - GLint i; - const struct gl_framebuffer *drawFb = ctx->DrawBuffer; - const struct gl_framebuffer *readFb = ctx->ReadBuffer; - 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.Enabled)) { - 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 < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { - struct gl_renderbuffer *dst_rb = ctx->DrawBuffer->_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; - } - - gl_format src_format = _mesa_get_srgb_format_linear(src_rb->Format); - gl_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, GL_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, - GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, - GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, - GLbitfield mask, GLenum filter) -{ -#ifndef I915 - mask = brw_blorp_framebuffer(intel_context(ctx), - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, filter); - if (mask == 0x0) - return; -#endif - - /* Try using the BLT engine. */ - mask = intel_blit_framebuffer_with_blitter(ctx, - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, filter); - if (mask == 0x0) - return; - - - _mesa_meta_BlitFramebuffer(ctx, - srcX0, srcY0, srcX1, srcY1, - dstX0, dstY0, dstX1, dstY1, - mask, filter); -} - -/** - * This is a no-op except on multisample buffers shared with DRI2. - */ -void -intel_renderbuffer_set_needs_downsample(struct intel_renderbuffer *irb) -{ - if (irb->mt && irb->mt->singlesample_mt) - irb->mt->need_downsample = true; -} - -/** - * Does the renderbuffer have hiz enabled? - */ -bool -intel_renderbuffer_has_hiz(struct intel_renderbuffer *irb) -{ - return intel_miptree_slice_has_hiz(irb->mt, irb->mt_level, irb->mt_layer); -} - -void -intel_renderbuffer_set_needs_hiz_resolve(struct intel_renderbuffer *irb) -{ - if (irb->mt) { - intel_miptree_slice_set_needs_hiz_resolve(irb->mt, - irb->mt_level, - irb->mt_layer); - } -} - -void -intel_renderbuffer_set_needs_depth_resolve(struct intel_renderbuffer *irb) -{ - if (irb->mt) { - intel_miptree_slice_set_needs_depth_resolve(irb->mt, - irb->mt_level, - irb->mt_layer); - } -} - -bool -intel_renderbuffer_resolve_hiz(struct intel_context *intel, - struct intel_renderbuffer *irb) -{ - if (irb->mt) - return intel_miptree_slice_resolve_hiz(intel, - irb->mt, - irb->mt_level, - irb->mt_layer); - - return false; -} - -bool -intel_renderbuffer_resolve_depth(struct intel_context *intel, - struct intel_renderbuffer *irb) -{ - if (irb->mt) - return intel_miptree_slice_resolve_depth(intel, - irb->mt, - irb->mt_level, - irb->mt_layer); - - return false; -} - -void -intel_renderbuffer_move_to_temp(struct intel_context *intel, - struct intel_renderbuffer *irb, - bool invalidate) -{ - struct gl_renderbuffer *rb =&irb->Base.Base; - struct intel_texture_image *intel_image = intel_texture_image(rb->TexImage); - struct intel_mipmap_tree *new_mt; - int width, height, depth; - - intel_miptree_get_dimensions_for_image(rb->TexImage, &width, &height, &depth); - - new_mt = intel_miptree_create(intel, rb->TexImage->TexObject->Target, - intel_image->base.Base.TexFormat, - intel_image->base.Base.Level, - intel_image->base.Base.Level, - width, height, depth, - true, - irb->mt->num_samples, - INTEL_MIPTREE_TILING_ANY); - - if (intel->vtbl.is_hiz_depth_format(intel, new_mt->format)) { - intel_miptree_alloc_hiz(intel, new_mt); - } - - intel_miptree_copy_teximage(intel, intel_image, new_mt, invalidate); - - intel_miptree_reference(&irb->mt, intel_image->mt); - intel_renderbuffer_set_draw_offset(irb); - intel_miptree_release(&new_mt); -} - -/** - * 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.NewFramebuffer = intel_new_framebuffer; - 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; -} |