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path: root/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
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Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_pixel_copy.c')
-rw-r--r--src/mesa/drivers/dri/i915tex/intel_pixel_copy.c358
1 files changed, 0 insertions, 358 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c b/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
deleted file mode 100644
index 2ecacc3c09..0000000000
--- a/src/mesa/drivers/dri/i915tex/intel_pixel_copy.c
+++ /dev/null
@@ -1,358 +0,0 @@
-/**************************************************************************
- *
- * 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 "glheader.h"
-#include "enums.h"
-#include "image.h"
-#include "state.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "swrast/swrast.h"
-
-#include "intel_screen.h"
-#include "intel_context.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-#include "intel_buffers.h"
-#include "intel_blit.h"
-#include "intel_regions.h"
-#include "intel_tris.h"
-#include "intel_pixel.h"
-#include "intel_fbo.h"
-
-#define FILE_DEBUG_FLAG DEBUG_PIXEL
-
-static struct intel_region *
-copypix_src_region(struct intel_context *intel, GLenum type)
-{
- struct intel_renderbuffer *irb;
-
- 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.
- */
- irb = intel_renderbuffer(intel->ctx.ReadBuffer->_DepthBuffer->Wrapped);
- if (irb && irb->region && irb->region->cpp == 2)
- return irb->region;
- break;
- case GL_STENCIL:
- /* Don't think this is really possible.
- */
- break;
- case GL_DEPTH_STENCIL_EXT:
- /* Does it matter whether it is stencil/depth or depth/stencil?
- */
- irb = intel_renderbuffer(intel->ctx.ReadBuffer->_DepthBuffer->Wrapped);
- if (irb && irb->region)
- return irb->region;
- break;
- default:
- break;
- }
-
- return NULL;
-}
-
-
-/* Doesn't work for overlapping regions. Could do a double copy or
- * just fallback.
- */
-static GLboolean
-do_texture_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);
- struct intel_region *depthreg = NULL;
- GLenum src_format;
- GLenum src_type;
-
- DBG("%s %d,%d %dx%d --> %d,%d\n", __FUNCTION__,
- srcx, srcy, width, height, dstx, dsty);
-
- if (!src || !dst || type != GL_COLOR)
- return GL_FALSE;
-
- /* Can't handle overlapping regions. Don't have sufficient control
- * over rasterization to pull it off in-place. Punt on these for
- * now.
- *
- * XXX: do a copy to a temporary.
- */
- if (src->buffer == dst->buffer) {
- drm_clip_rect_t srcbox;
- drm_clip_rect_t dstbox;
- drm_clip_rect_t tmp;
-
- srcbox.x1 = srcx;
- srcbox.y1 = srcy;
- srcbox.x2 = srcx + width;
- srcbox.y2 = srcy + height;
-
- dstbox.x1 = dstx;
- dstbox.y1 = dsty;
- dstbox.x2 = dstx + width * ctx->Pixel.ZoomX;
- dstbox.y2 = dsty + height * ctx->Pixel.ZoomY;
-
- DBG("src %d,%d %d,%d\n", srcbox.x1, srcbox.y1, srcbox.x2, srcbox.y2);
- DBG("dst %d,%d %d,%d (%dx%d) (%f,%f)\n", dstbox.x1, dstbox.y1, dstbox.x2, dstbox.y2,
- width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY);
-
- if (intel_intersect_cliprects(&tmp, &srcbox, &dstbox)) {
- DBG("%s: regions overlap\n", __FUNCTION__);
- return GL_FALSE;
- }
- }
-
- intelFlush(&intel->ctx);
-
- intel->vtbl.install_meta_state(intel);
-
- /* Is this true? Also will need to turn depth testing on according
- * to state:
- */
- intel->vtbl.meta_no_stencil_write(intel);
- intel->vtbl.meta_no_depth_write(intel);
-
- /* Set the 3d engine to draw into the destination region:
- */
- if (ctx->DrawBuffer->_DepthBuffer &&
- ctx->DrawBuffer->_DepthBuffer->Wrapped)
- depthreg = (intel_renderbuffer(ctx->DrawBuffer->_DepthBuffer->Wrapped))->region;
-
- intel->vtbl.meta_draw_region(intel, dst, depthreg);
-
- intel->vtbl.meta_import_pixel_state(intel);
-
- if (src->cpp == 2) {
- src_format = GL_RGB;
- src_type = GL_UNSIGNED_SHORT_5_6_5;
- }
- else {
- src_format = GL_BGRA;
- src_type = GL_UNSIGNED_BYTE;
- }
-
- /* Set the frontbuffer up as a large rectangular texture.
- */
- if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, 0,
- src->pitch,
- src->height, src_format, src_type)) {
- intel->vtbl.leave_meta_state(intel);
- return GL_FALSE;
- }
-
-
- intel->vtbl.meta_texture_blend_replace(intel);
-
- LOCK_HARDWARE(intel);
-
- {
- int dstbufHeight = ctx->DrawBuffer->Height;
- /* convert from gl to hardware coords */
- srcy = ctx->ReadBuffer->Height - srcy - height;
-
- /* Clip against the source region. This is the only source
- * clipping we do. XXX: Just set the texcord wrap mode to clamp
- * or similar.
- *
- */
- if (0) {
- GLint orig_x = srcx;
- GLint orig_y = srcy;
-
- if (!_mesa_clip_to_region(0, 0, ctx->ReadBuffer->Width - 1,
- ctx->ReadBuffer->Height - 1,
- &srcx, &srcy, &width, &height))
- goto out;
-
- dstx += srcx - orig_x;
- dsty += (srcy - orig_y) * ctx->Pixel.ZoomY;
- }
-
- /* Just use the regular cliprect mechanism... Does this need to
- * even hold the lock???
- */
- intel_meta_draw_quad(intel,
- dstx,
- dstx + width * ctx->Pixel.ZoomX,
- dstbufHeight - (dsty + height * ctx->Pixel.ZoomY),
- dstbufHeight - (dsty), 0, /* XXX: what z value? */
- 0x00ff00ff,
- srcx, srcx + width, srcy, srcy + height);
-
- out:
- intel->vtbl.leave_meta_state(intel);
- intel_batchbuffer_flush(intel->batch);
- }
- UNLOCK_HARDWARE(intel);
-
- DBG("%s: success\n", __FUNCTION__);
- return GL_TRUE;
-}
-
-
-
-
-
-/**
- * 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 gl_framebuffer *fb = ctx->DrawBuffer;
- struct gl_framebuffer *fbread = ctx->ReadBuffer;
- struct intel_renderbuffer *irbread;
- struct intel_renderbuffer *irbdraw;
- struct intel_region *dst;
- struct intel_region *src;
-
- /* 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;
-
- intelFlush(&intel->ctx);
-
- if (type == GL_COLOR) {
- irbread = intel_renderbuffer(fbread->_ColorReadBuffer);
- irbdraw = intel_renderbuffer(fb->_ColorDrawBuffers[0][0]);
- if (!irbread || !irbread->region || !irbdraw || !irbdraw->region)
- return GL_FALSE;
- }
- else if (type == GL_DEPTH) {
- /* Don't think this is really possible execpt at 16bpp, when we have no stencil.
- */
- irbread = intel_renderbuffer(fbread->_DepthBuffer->Wrapped);
- irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
- if (!irbread || !irbread->region || !irbdraw || !irbdraw->region
- || !(irbread->region->cpp == 2))
- return GL_FALSE;
- }
- else if (type == GL_DEPTH_STENCIL_EXT) {
- /* Does it matter whether it is stencil/depth or depth/stencil?
- */
- irbread = intel_renderbuffer(fbread->_DepthBuffer->Wrapped);
- irbdraw = intel_renderbuffer(fb->_DepthBuffer->Wrapped);
- if (!irbread || !irbread->region || !irbdraw || !irbdraw->region)
- return GL_FALSE;
- }
- else /* GL_STENCIL */ {
- /* Don't think this is really possible.
- */
- return GL_FALSE;
- }
-
- src = irbread->region;
- dst = irbdraw->region;
-
- {
- GLint dx = dstx - srcx;
- GLint dy = dsty - srcy;
-
- /* Clip against dest, including scissor, in GL coordinates:
- */
-
- if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
- fb->_Xmax - 1, fb->_Ymax - 1,
- &dstx, &dsty, &width, &height))
- goto out;
-
- srcx = dstx - dx;
- srcy = dsty - dy;
-
- /* Convert from GL to hardware coordinates:
- */
- dsty = fb->Height - dsty - height;
- srcy = fbread->Height - srcy - height;
-
- /* Clip against the source region:
- */
- dx = srcx - dstx;
- dy = srcy - dsty;
-
- if (!_mesa_clip_to_region(0, 0, irbread->Base.Width - 1,
- irbread->Base.Height - 1,
- &srcx, &srcy, &width, &height))
- goto out;
-
- dstx = srcx - dx;
- dsty = srcy - dy;
-
-
- {
-
- intelEmitCopyBlit(intel, dst->cpp,
- src->pitch, src->buffer, 0,
- dst->pitch, dst->buffer, 0,
- srcx, srcy,
- dstx, dsty,
- width, height,
- ctx->Color.ColorLogicOpEnabled ?
- ctx->Color.LogicOp : GL_COPY);
- }
-
- out:
- intel_batchbuffer_flush(intel->batch);
- }
-
- DBG("%s: success\n", __FUNCTION__);
- return GL_TRUE;
-}
-
-
-void
-intelCopyPixels(GLcontext * 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__);
-
- if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type))
- return;
-
- if (do_texture_copypixels(ctx, srcx, srcy, width, height, destx, desty, type))
- return;
-
- DBG("fallback to _swrast_CopyPixels\n");
-
- _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type);
-}
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