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-rw-r--r--src/mesa/drivers/dri/i965/Makefile1
-rw-r--r--src/mesa/drivers/dri/i965/intel_context.c8
-rw-r--r--src/mesa/drivers/dri/i965/intel_context.h31
-rw-r--r--src/mesa/drivers/dri/i965/intel_pixel_copy.c239
4 files changed, 256 insertions, 23 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile
index e4fb451cc09..dfa9318a687 100644
--- a/src/mesa/drivers/dri/i965/Makefile
+++ b/src/mesa/drivers/dri/i965/Makefile
@@ -16,6 +16,7 @@ DRIVER_SOURCES = \
intel_regions.c \
intel_screen.c \
intel_span.c \
+ intel_pixel_copy.c \
intel_state.c \
intel_tex.c \
intel_tex_validate.c \
diff --git a/src/mesa/drivers/dri/i965/intel_context.c b/src/mesa/drivers/dri/i965/intel_context.c
index 59fc8073eee..eabb98ca231 100644
--- a/src/mesa/drivers/dri/i965/intel_context.c
+++ b/src/mesa/drivers/dri/i965/intel_context.c
@@ -255,10 +255,14 @@ void intelInitDriverFunctions( struct dd_function_table *functions )
*/
functions->Accum = _swrast_Accum;
functions->Bitmap = _swrast_Bitmap;
- functions->CopyPixels = _swrast_CopyPixels;
functions->ReadPixels = _swrast_ReadPixels;
functions->DrawPixels = _swrast_DrawPixels;
+ /* CopyPixels can be accelerated even with the current memory
+ * manager:
+ */
+ functions->CopyPixels = intelCopyPixels;
+
intelInitTextureFuncs( functions );
intelInitStateFuncs( functions );
intelInitBufferFuncs( functions );
@@ -446,8 +450,6 @@ GLboolean intelInitContext( struct intel_context *intel,
/* DRI_TEXMGR_DO_TEXTURE_RECT ); */
- intel->prim.primitive = ~0;
-
if (getenv("INTEL_NO_RAST")) {
fprintf(stderr, "disabling 3D rasterization\n");
intel->no_rast = 1;
diff --git a/src/mesa/drivers/dri/i965/intel_context.h b/src/mesa/drivers/dri/i965/intel_context.h
index 0328cb900a8..f7fe8c1b22f 100644
--- a/src/mesa/drivers/dri/i965/intel_context.h
+++ b/src/mesa/drivers/dri/i965/intel_context.h
@@ -176,16 +176,6 @@ struct intel_context
struct intel_batchbuffer *batch;
- struct {
- GLuint id;
- GLuint primitive;
- GLubyte *start_ptr;
- void (*flush)( struct intel_context * );
- } prim;
-
- GLboolean locked;
- GLboolean strict_conformance;
-
GLubyte clear_chan[4];
GLuint ClearColor;
GLuint ClearDepth;
@@ -201,6 +191,10 @@ struct intel_context
GLboolean no_hw;
GLboolean no_rast;
GLboolean thrashing;
+ GLboolean locked;
+ GLboolean strict_conformance;
+ GLboolean need_flush;
+
/* AGP memory buffer manager:
@@ -214,22 +208,12 @@ struct intel_context
GLmatrix ViewportMatrix;
GLenum render_primitive;
GLenum reduced_primitive;
- GLuint vertex_size;
- GLubyte *verts; /* points to tnl->clipspace.vertex_buf */
-
struct intel_region *front_region;
struct intel_region *back_region;
struct intel_region *draw_region;
struct intel_region *depth_region;
-
- /* Fallback rasterization functions
- */
- intel_point_func draw_point;
- intel_line_func draw_line;
- intel_tri_func draw_tri;
-
/* These refer to the current draw (front vs. back) buffer:
*/
int drawX; /* origin of drawable in draw buffer */
@@ -496,6 +480,13 @@ extern GLboolean intel_intersect_cliprects( drm_clip_rect_t *dest,
const drm_clip_rect_t *b );
+/* ================================================================
+ * intel_pixel_copy.c:
+ */
+void intelCopyPixels(GLcontext * ctx,
+ GLint srcx, GLint srcy,
+ GLsizei width, GLsizei height,
+ GLint destx, GLint desty, GLenum type);
#define _NEW_WINDOW_POS 0x40000000
diff --git a/src/mesa/drivers/dri/i965/intel_pixel_copy.c b/src/mesa/drivers/dri/i965/intel_pixel_copy.c
new file mode 100644
index 00000000000..ad27867aeae
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/intel_pixel_copy.c
@@ -0,0 +1,239 @@
+/**************************************************************************
+ *
+ * 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 "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 "intel_blit.h"
+#include "intel_regions.h"
+
+
+static struct intel_region *
+copypix_src_region(struct intel_context *intel, GLenum type)
+{
+ 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.
+ */
+ break;
+ case GL_DEPTH_STENCIL_EXT:
+ /* Does it matter whether it is stencil/depth or depth/stencil?
+ */
+ return intel->depth_region;
+ default:
+ break;
+ }
+
+ return NULL;
+}
+
+
+
+
+/**
+ * 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);
+}
+
+
+
+/**
+ * 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;
+ }
+
+ /* 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;
+ }
+
+ 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);
+ }
+
+ intel->need_flush = GL_TRUE;
+ out:
+ intel_batchbuffer_flush(intel->batch);
+ }
+ UNLOCK_HARDWARE(intel);
+ 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 (INTEL_DEBUG & DEBUG_PIXEL)
+ _mesa_printf("fallback to _swrast_CopyPixels\n");
+
+ _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 20:11:55 +0000