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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_pixel_read.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_read.c172
1 files changed, 29 insertions, 143 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_read.c b/src/mesa/drivers/dri/intel/intel_pixel_read.c
index 9c0fdc6067..a98e8e16c2 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_read.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_read.c
@@ -36,7 +36,6 @@
#include "intel_screen.h"
#include "intel_context.h"
-#include "intel_batchbuffer.h"
#include "intel_blit.h"
#include "intel_buffers.h"
#include "intel_regions.h"
@@ -65,99 +64,6 @@
* any case.
*/
-
-static GLboolean
-do_texture_readpixels(GLcontext * ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *pack,
- struct intel_region *dest_region)
-{
-#if 0
- struct intel_context *intel = intel_context(ctx);
- intelScreenPrivate *screen = intel->intelScreen;
- GLint pitch = pack->RowLength ? pack->RowLength : width;
- __DRIdrawable *dPriv = intel->driDrawable;
- int textureFormat;
- GLenum glTextureFormat;
- int destFormat, depthFormat, destPitch;
- drm_clip_rect_t tmp;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
-
- if (ctx->_ImageTransferState ||
- pack->SwapBytes || pack->LsbFirst || !pack->Invert) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: check_color failed\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- intel->vtbl.meta_texrect_source(intel, intel_readbuf_region(intel));
-
- if (!intel->vtbl.meta_render_dest(intel, dest_region, type, format)) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: couldn't set dest %s/%s\n",
- __FUNCTION__,
- _mesa_lookup_enum_by_nr(type),
- _mesa_lookup_enum_by_nr(format));
- return GL_FALSE;
- }
-
- if (intel->driDrawable->numClipRects) {
- intel->vtbl.install_meta_state(intel);
- intel->vtbl.meta_no_depth_write(intel);
- intel->vtbl.meta_no_stencil_write(intel);
-
- if (!driClipRectToFramebuffer(ctx->ReadBuffer, &x, &y, &width, &height)) {
- SET_STATE(i830, state);
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: cliprect failed\n", __FUNCTION__);
- return GL_TRUE;
- }
-
- y = dPriv->h - y - height;
- x += dPriv->x;
- y += dPriv->y;
-
-
- /* Set the frontbuffer up as a large rectangular texture.
- */
- intel->vtbl.meta_tex_rect_source(intel, src_region, textureFormat);
-
-
- intel->vtbl.meta_texture_blend_replace(i830, glTextureFormat);
-
-
- /* Set the 3d engine to draw into the destination region:
- */
-
- intel->vtbl.meta_draw_region(intel, dest_region);
- intel->vtbl.meta_draw_format(intel, destFormat, depthFormat); /* ?? */
-
-
- /* Draw a single quad, no cliprects:
- */
- intel->vtbl.meta_disable_cliprects(intel);
-
- intel->vtbl.draw_quad(intel,
- 0, width, 0, height,
- 0x00ff00ff, x, x + width, y, y + height);
-
- intel->vtbl.leave_meta_state(intel);
- }
-
- intel_region_wait_fence(ctx, dest_region); /* required by GL */
- return GL_TRUE;
-#endif
-
- return GL_FALSE;
-}
-
-
-
-
static GLboolean
do_blit_readpixels(GLcontext * ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
@@ -169,6 +75,9 @@ do_blit_readpixels(GLcontext * ctx,
struct intel_buffer_object *dst = intel_buffer_object(pack->BufferObj);
GLuint dst_offset;
GLuint rowLength;
+ drm_intel_bo *dst_buffer;
+ GLboolean all;
+ GLint dst_x, dst_y;
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("%s\n", __FUNCTION__);
@@ -209,56 +118,42 @@ do_blit_readpixels(GLcontext * ctx,
return GL_FALSE;
}
else {
- rowLength = -rowLength;
+ if (ctx->ReadBuffer->Name == 0)
+ rowLength = -rowLength;
}
dst_offset = (GLintptr) _mesa_image_address(2, pack, pixels, width, height,
format, type, 0, 0, 0);
+ if (!_mesa_clip_copytexsubimage(ctx,
+ &dst_x, &dst_y,
+ &x, &y,
+ &width, &height)) {
+ return GL_TRUE;
+ }
- /* Although the blits go on the command buffer, need to do this and
- * fire with lock held to guarentee cliprects are correct.
- */
- intelFlush(&intel->ctx);
-
- if (intel->driReadDrawable->numClipRects) {
- GLboolean all = (width * height * src->cpp == dst->Base.Size &&
- x == 0 && dst_offset == 0);
-
- dri_bo *dst_buffer = intel_bufferobj_buffer(intel, dst,
- all ? INTEL_WRITE_FULL :
- INTEL_WRITE_PART);
- __DRIdrawable *dPriv = intel->driReadDrawable;
- int nbox = dPriv->numClipRects;
- drm_clip_rect_t *box = dPriv->pClipRects;
- drm_clip_rect_t rect;
- drm_clip_rect_t src_rect;
- int i;
-
- src_rect.x1 = dPriv->x + x;
- src_rect.y1 = dPriv->y + dPriv->h - (y + height);
- src_rect.x2 = src_rect.x1 + width;
- src_rect.y2 = src_rect.y1 + height;
+ all = (width * height * src->cpp == dst->Base.Size &&
+ x == 0 && dst_offset == 0);
+ dst_x = 0;
+ dst_y = 0;
+ dst_buffer = intel_bufferobj_buffer(intel, dst,
+ all ? INTEL_WRITE_FULL :
+ INTEL_WRITE_PART);
- for (i = 0; i < nbox; i++) {
- if (!intel_intersect_cliprects(&rect, &src_rect, &box[i]))
- continue;
+ if (ctx->ReadBuffer->Name == 0)
+ y = ctx->ReadBuffer->Height - (y + height);
- if (!intelEmitCopyBlit(intel,
- src->cpp,
- src->pitch, src->buffer, 0, src->tiling,
- rowLength, dst_buffer, dst_offset, GL_FALSE,
- rect.x1,
- rect.y1,
- rect.x1 - src_rect.x1,
- rect.y2 - src_rect.y2,
- rect.x2 - rect.x1, rect.y2 - rect.y1,
- GL_COPY)) {
- return GL_FALSE;
- }
- }
+ if (!intelEmitCopyBlit(intel,
+ src->cpp,
+ src->pitch, src->buffer, 0, src->tiling,
+ rowLength, dst_buffer, dst_offset, GL_FALSE,
+ x, y,
+ dst_x, dst_y,
+ width, height,
+ GL_COPY)) {
+ return GL_FALSE;
}
if (INTEL_DEBUG & DEBUG_PIXEL)
@@ -282,15 +177,6 @@ intelReadPixels(GLcontext * ctx,
(ctx, x, y, width, height, format, type, pack, pixels))
return;
-#ifdef I915
- if (do_texture_readpixels
- (ctx, x, y, width, height, format, type, pack, pixels))
- return;
-#else
- (void)do_blit_readpixels;
- (void)do_texture_readpixels;
-#endif
-
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 03:02:35 +0000