0,0 → 1,210 |
/************************************************************************** |
* |
* Copyright 2003 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/glheader.h" |
#include "main/image.h" |
#include "main/state.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 (ctx->Stencil._Enabled) { |
perf_debug("glCopyPixels(): Unsupported stencil test state\n"); |
return false; |
} |
|
if (ctx->Fog.Enabled || |
ctx->Texture._EnabledUnits || |
ctx->FragmentProgram._Enabled) { |
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("glCopyPixles(): 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", __FUNCTION__); |
return false; |
} |
|
if (ctx->Query.CurrentOcclusionObject) |
ctx->Query.CurrentOcclusionObject->Result += width * height; |
|
out: |
intel_check_front_buffer_rendering(intel); |
|
DBG("%s: success\n", __FUNCTION__); |
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", __FUNCTION__); |
|
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); |
} |