X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fintel_pixel_copy.c;h=b4f94666035c245ca8a4da2f5cc169b8454727c5;hb=68a0e15f44cf351eab97a734b1cffeade1873fdf;hp=ee433605904902ff085b72bc2fb82e107820fb02;hpb=a3ee0aa1bb7c3f9dfc5b13b4e72522c10a22ad05;p=mesa.git diff --git a/src/mesa/drivers/dri/i915/intel_pixel_copy.c b/src/mesa/drivers/dri/i915/intel_pixel_copy.c deleted file mode 120000 index ee433605904..00000000000 --- a/src/mesa/drivers/dri/i915/intel_pixel_copy.c +++ /dev/null @@ -1 +0,0 @@ -../intel/intel_pixel_copy.c \ No newline at end of file diff --git a/src/mesa/drivers/dri/i915/intel_pixel_copy.c b/src/mesa/drivers/dri/i915/intel_pixel_copy.c new file mode 100644 index 00000000000..b4f94666035 --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_pixel_copy.c @@ -0,0 +1,211 @@ +/************************************************************************** + * + * Copyright 2003 VMware, Inc. + * 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 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. + * + **************************************************************************/ + +#include "main/glheader.h" +#include "main/image.h" +#include "main/state.h" +#include "main/stencil.h" +#include "main/mtypes.h" +#include "main/condrender.h" +#include "main/fbobject.h" +#include "drivers/common/meta.h" + +#include "intel_context.h" +#include "intel_buffers.h" +#include "intel_mipmap_tree.h" +#include "intel_regions.h" +#include "intel_pixel.h" +#include "intel_fbo.h" +#include "intel_blit.h" + +#define FILE_DEBUG_FLAG DEBUG_PIXEL + +/** + * CopyPixels with the blitter. Don't support zooming, pixel transfer, etc. + */ +static bool +do_blit_copypixels(struct gl_context * ctx, + GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint dstx, GLint dsty, GLenum type) +{ + struct intel_context *intel = intel_context(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + struct gl_framebuffer *read_fb = ctx->ReadBuffer; + GLint orig_dstx; + GLint orig_dsty; + GLint orig_srcx; + GLint orig_srcy; + struct intel_renderbuffer *draw_irb = NULL; + struct intel_renderbuffer *read_irb = NULL; + + /* Update draw buffer bounds */ + _mesa_update_state(ctx); + + switch (type) { + case GL_COLOR: + if (fb->_NumColorDrawBuffers != 1) { + perf_debug("glCopyPixels() fallback: MRT\n"); + return false; + } + + draw_irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]); + read_irb = intel_renderbuffer(read_fb->_ColorReadBuffer); + break; + case GL_DEPTH_STENCIL_EXT: + draw_irb = intel_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer); + read_irb = + intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer); + break; + case GL_DEPTH: + perf_debug("glCopyPixels() fallback: GL_DEPTH\n"); + return false; + case GL_STENCIL: + perf_debug("glCopyPixels() fallback: GL_STENCIL\n"); + return false; + default: + perf_debug("glCopyPixels(): Unknown type\n"); + return false; + } + + if (!draw_irb) { + perf_debug("glCopyPixels() fallback: missing draw buffer\n"); + return false; + } + + if (!read_irb) { + perf_debug("glCopyPixels() fallback: missing read buffer\n"); + return false; + } + + if (ctx->_ImageTransferState) { + perf_debug("glCopyPixels(): Unsupported image transfer state\n"); + return false; + } + + if (ctx->Depth.Test) { + perf_debug("glCopyPixels(): Unsupported depth test state\n"); + return false; + } + + if (_mesa_stencil_is_enabled(ctx)) { + perf_debug("glCopyPixels(): Unsupported stencil test state\n"); + return false; + } + + if (ctx->Fog.Enabled || + ctx->Texture._MaxEnabledTexImageUnit != -1 || + _mesa_arb_fragment_program_enabled(ctx)) { + perf_debug("glCopyPixels(): Unsupported fragment shader state\n"); + return false; + } + + if (ctx->Color.AlphaEnabled || + ctx->Color.BlendEnabled) { + perf_debug("glCopyPixels(): Unsupported blend state\n"); + return false; + } + + if (!ctx->Color.ColorMask[0][0] || + !ctx->Color.ColorMask[0][1] || + !ctx->Color.ColorMask[0][2] || + !ctx->Color.ColorMask[0][3]) { + perf_debug("glCopyPixels(): Unsupported color mask state\n"); + return false; + } + + if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) { + perf_debug("glCopyPixels(): Unsupported pixel zoom\n"); + return false; + } + + intel_prepare_render(intel); + + intel_flush(&intel->ctx); + + /* Clip to destination buffer. */ + orig_dstx = dstx; + orig_dsty = dsty; + if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, + fb->_Xmax, fb->_Ymax, + &dstx, &dsty, &width, &height)) + goto out; + /* Adjust src coords for our post-clipped destination origin */ + srcx += dstx - orig_dstx; + srcy += dsty - orig_dsty; + + /* Clip to source buffer. */ + orig_srcx = srcx; + orig_srcy = srcy; + if (!_mesa_clip_to_region(0, 0, + read_fb->Width, read_fb->Height, + &srcx, &srcy, &width, &height)) + goto out; + /* Adjust dst coords for our post-clipped source origin */ + dstx += srcx - orig_srcx; + dsty += srcy - orig_srcy; + + if (!intel_miptree_blit(intel, + read_irb->mt, read_irb->mt_level, read_irb->mt_layer, + srcx, srcy, _mesa_is_winsys_fbo(read_fb), + draw_irb->mt, draw_irb->mt_level, draw_irb->mt_layer, + dstx, dsty, _mesa_is_winsys_fbo(fb), + width, height, + (ctx->Color.ColorLogicOpEnabled ? + ctx->Color.LogicOp : GL_COPY))) { + DBG("%s: blit failure\n", __func__); + return false; + } + + if (ctx->Query.CurrentOcclusionObject) + ctx->Query.CurrentOcclusionObject->Result += width * height; + +out: + intel_check_front_buffer_rendering(intel); + + DBG("%s: success\n", __func__); + return true; +} + + +void +intelCopyPixels(struct gl_context * ctx, + GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint destx, GLint desty, GLenum type) +{ + DBG("%s\n", __func__); + + if (!_mesa_check_conditional_render(ctx)) + return; + + if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type)) + return; + + /* this will use swrast if needed */ + _mesa_meta_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type); +}