/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * 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
* 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
+ * 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 "glheader.h"
-#include "enums.h"
-#include "image.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "state.h"
-#include "swrast/swrast.h"
-
-#include "intel_screen.h"
-#include "intel_context.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
+#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 "brw_context.h"
+#include "intel_buffers.h"
+#include "intel_mipmap_tree.h"
+#include "intel_pixel.h"
+#include "intel_fbo.h"
#include "intel_blit.h"
-#include "intel_regions.h"
+#include "intel_batchbuffer.h"
+#define FILE_DEBUG_FLAG DEBUG_PIXEL
-static struct intel_region *
-copypix_src_region(struct intel_context *intel, GLenum type)
+/**
+ * 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 brw_context *brw = brw_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);
+
+ intel_prepare_render(brw);
+
switch (type) {
case GL_COLOR:
- return intel_readbuf_region(intel);
- case GL_DEPTH:
- /* Don't think this is really possible execpt at 16bpp, when we have no stencil.
- */
- if (intel->depth_region && intel->depth_region->cpp == 2)
- return intel->depth_region;
- case GL_STENCIL:
- /* Don't think this is really possible.
- */
+ 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:
- /* Does it matter whether it is stencil/depth or depth/stencil?
- */
- return intel->depth_region;
- default:
+ 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;
}
- return NULL;
-}
+ 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 (draw_irb->mt->num_samples > 1 || read_irb->mt->num_samples > 1) {
+ perf_debug("glCopyPixels() fallback: multisampled buffers\n");
+ return false;
+ }
+ if (ctx->_ImageTransferState) {
+ perf_debug("glCopyPixels(): Unsupported image transfer state\n");
+ return false;
+ }
-/**
- * Check if any fragment operations are in effect which might effect
- * glDraw/CopyPixels.
- */
-static GLboolean
-intel_check_blit_fragment_ops(GLcontext * ctx)
-{
- if (ctx->NewState)
- _mesa_update_state(ctx);
-
- /* Could do logicop with the blitter:
- */
- return !(ctx->_ImageTransferState ||
- ctx->Color.AlphaEnabled ||
- ctx->Depth.Test ||
- ctx->Fog.Enabled ||
- ctx->Stencil.Enabled ||
- !ctx->Color.ColorMask[0] ||
- !ctx->Color.ColorMask[1] ||
- !ctx->Color.ColorMask[2] ||
- !ctx->Color.ColorMask[3] ||
- ctx->Color.ColorLogicOpEnabled ||
- ctx->Texture._EnabledUnits ||
- ctx->FragmentProgram._Enabled);
-}
+ 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._MaxEnabledTexImageUnit != -1 ||
+ ctx->FragmentProgram._Enabled) {
+ perf_debug("glCopyPixels(): Unsupported fragment shader state\n");
+ return false;
+ }
-/**
- * CopyPixels with the blitter. Don't support zooming, pixel transfer, etc.
- */
-static GLboolean
-do_blit_copypixels(GLcontext * ctx,
- GLint srcx, GLint srcy,
- GLsizei width, GLsizei height,
- GLint dstx, GLint dsty, GLenum type)
-{
- struct intel_context *intel = intel_context(ctx);
- struct intel_region *dst = intel_drawbuf_region(intel);
- struct intel_region *src = copypix_src_region(intel, type);
-
- /* Copypixels can be more than a straight copy. Ensure all the
- * extra operations are disabled:
- */
- if (!intel_check_blit_fragment_ops(ctx) ||
- ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F)
- return GL_FALSE;
-
- if (!src || !dst)
- return GL_FALSE;
-
-
-
- intelFlush(&intel->ctx);
-
-/* intel->vtbl.render_start(intel); */
-/* intel->vtbl.emit_state(intel); */
-
- LOCK_HARDWARE(intel);
-
- if (intel->driDrawable->numClipRects) {
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- drm_clip_rect_t *box = dPriv->pClipRects;
- drm_clip_rect_t dest_rect;
- GLint nbox = dPriv->numClipRects;
- GLint delta_x = 0;
- GLint delta_y = 0;
- GLuint i;
-
- /* Do scissoring in GL coordinates:
- */
- if (ctx->Scissor.Enabled)
- {
- GLint x = ctx->Scissor.X;
- GLint y = ctx->Scissor.Y;
- GLuint w = ctx->Scissor.Width;
- GLuint h = ctx->Scissor.Height;
- GLint dx = dstx - srcx;
- GLint dy = dsty - srcy;
-
- if (!_mesa_clip_to_region(x, y, x+w, y+h, &dstx, &dsty, &width, &height))
- goto out;
-
- srcx = dstx - dx;
- srcy = dsty - dy;
- }
+ if (ctx->Color.AlphaEnabled ||
+ ctx->Color.BlendEnabled) {
+ perf_debug("glCopyPixels(): Unsupported blend state\n");
+ return false;
+ }
- /* Convert from GL to hardware coordinates:
- */
- dsty = dPriv->h - dsty - height;
- srcy = dPriv->h - srcy - height;
- dstx += dPriv->x;
- dsty += dPriv->y;
- srcx += dPriv->x;
- srcy += dPriv->y;
-
- /* Clip against the source region. This is the only source
- * clipping we do. Dst is clipped with cliprects below.
- */
- {
- delta_x = srcx - dstx;
- delta_y = srcy - dsty;
-
- if (!_mesa_clip_to_region(0, 0, src->pitch, src->height,
- &srcx, &srcy, &width, &height))
- goto out;
-
- dstx = srcx - delta_x;
- dsty = srcy - delta_y;
- }
+ 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;
+ }
- dest_rect.x1 = dstx;
- dest_rect.y1 = dsty;
- dest_rect.x2 = dstx + width;
- dest_rect.y2 = dsty + height;
-
-/* intel->vtbl.emit_flush(intel, 0); */
-
- /* Could do slightly more clipping: Eg, take the intersection of
- * the existing set of cliprects and those cliprects translated
- * by delta_x, delta_y:
- *
- * This code will not overwrite other windows, but will
- * introduce garbage when copying from obscured window regions.
- */
- for (i = 0; i < nbox; i++) {
- drm_clip_rect_t rect;
-
- if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
- continue;
-
-
- intelEmitCopyBlit(intel,
- dst->cpp,
- src->pitch, src->buffer, 0, src->tiled,
- dst->pitch, dst->buffer, 0, dst->tiled,
- rect.x1 + delta_x,
- rect.y1 + delta_y, /* srcx, srcy */
- rect.x1, rect.y1, /* dstx, dsty */
- rect.x2 - rect.x1, rect.y2 - rect.y1);
- }
+ if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) {
+ perf_debug("glCopyPixles(): Unsupported pixel zoom\n");
+ return false;
+ }
- intel->need_flush = GL_TRUE;
- out:
- intel_batchbuffer_flush(intel->batch);
+ intel_batchbuffer_flush(brw);
+
+ /* 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(brw,
+ 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;
}
- UNLOCK_HARDWARE(intel);
- return GL_TRUE;
+
+ if (ctx->Query.CurrentOcclusionObject)
+ ctx->Query.CurrentOcclusionObject->Result += width * height;
+
+out:
+
+ DBG("%s: success\n", __FUNCTION__);
+ return true;
}
+
void
-intelCopyPixels(GLcontext * ctx,
+intelCopyPixels(struct gl_context * ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint destx, GLint desty, GLenum type)
{
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
+ DBG("%s\n", __FUNCTION__);
- if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type))
+ if (!_mesa_check_conditional_render(ctx))
return;
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("fallback to _swrast_CopyPixels\n");
+ if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type))
+ return;
- _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type);
+ /* this will use swrast if needed */
+ _mesa_meta_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type);
}
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