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-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c2
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_bitmap.c20
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_draw.c12
-rw-r--r--src/mesa/drivers/dri/intel/intel_span.c4
4 files changed, 27 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 44b276a123..7b7f7d8c14 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -95,7 +95,7 @@ int INTEL_DEBUG = (0);
#include "extension_helper.h"
-#define DRIVER_DATE "20080716"
+#define DRIVER_DATE "20090114"
#define DRIVER_DATE_GEM "GEM " DRIVER_DATE
static const GLubyte *
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 1d7f15f10a..3a01f63dc7 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -204,6 +204,14 @@ do_blit_bitmap( GLcontext *ctx,
/* Update draw buffer bounds */
_mesa_update_state(ctx);
+ if (ctx->Depth.Test) {
+ /* The blit path produces incorrect results when depth testing is on.
+ * It seems the blit Z coord is always 1.0 (the far plane) so fragments
+ * will likely be obscured by other, closer geometry.
+ */
+ return GL_FALSE;
+ }
+
if (!dst)
return GL_FALSE;
@@ -357,6 +365,7 @@ intel_texture_bitmap(GLcontext * ctx,
GLubyte *unpacked_bitmap;
GLubyte *a8_bitmap;
int x, y;
+ GLfloat dst_z;
/* We need a fragment program for the KIL effect */
if (!ctx->Extensions.ARB_fragment_program ||
@@ -456,21 +465,24 @@ intel_texture_bitmap(GLcontext * ctx,
intel_meta_set_passthrough_vertex_program(intel);
intel_meta_set_passthrough_transform(intel);
+ /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
+ dst_z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
+
vertices[0][0] = dst_x;
vertices[0][1] = dst_y;
- vertices[0][2] = ctx->Current.RasterPos[2];
+ vertices[0][2] = dst_z;
vertices[0][3] = 1.0;
vertices[1][0] = dst_x + width;
vertices[1][1] = dst_y;
- vertices[1][2] = ctx->Current.RasterPos[2];
+ vertices[1][2] = dst_z;
vertices[1][3] = 1.0;
vertices[2][0] = dst_x + width;
vertices[2][1] = dst_y + height;
- vertices[2][2] = ctx->Current.RasterPos[2];
+ vertices[2][2] = dst_z;
vertices[2][3] = 1.0;
vertices[3][0] = dst_x;
vertices[3][1] = dst_y + height;
- vertices[3][2] = ctx->Current.RasterPos[2];
+ vertices[3][2] = dst_z;
vertices[3][3] = 1.0;
texcoords[0][0] = 0.0;
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
index 2af839b803..0e83afa645 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_draw.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c
@@ -71,6 +71,7 @@ intel_texture_drawpixels(GLcontext * ctx,
GLuint texname;
GLfloat vertices[4][4];
GLfloat texcoords[4][2];
+ GLfloat z;
/* We're going to mess with texturing with no regard to existing texture
* state, so if there is some set up we have to bail.
@@ -140,6 +141,9 @@ intel_texture_drawpixels(GLcontext * ctx,
intel_meta_set_passthrough_transform(intel);
+ /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
+ z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
+
/* Create the vertex buffer based on the current raster pos. The x and y
* we're handed are ctx->Current.RasterPos[0,1] rounded to integers.
* We also apply the depth. However, the W component is already multiplied
@@ -147,19 +151,19 @@ intel_texture_drawpixels(GLcontext * ctx,
*/
vertices[0][0] = x;
vertices[0][1] = y;
- vertices[0][2] = ctx->Current.RasterPos[2];
+ vertices[0][2] = z;
vertices[0][3] = 1.0;
vertices[1][0] = x + width * ctx->Pixel.ZoomX;
vertices[1][1] = y;
- vertices[1][2] = ctx->Current.RasterPos[2];
+ vertices[1][2] = z;
vertices[1][3] = 1.0;
vertices[2][0] = x + width * ctx->Pixel.ZoomX;
vertices[2][1] = y + height * ctx->Pixel.ZoomY;
- vertices[2][2] = ctx->Current.RasterPos[2];
+ vertices[2][2] = z;
vertices[2][3] = 1.0;
vertices[3][0] = x;
vertices[3][1] = y + height * ctx->Pixel.ZoomY;
- vertices[3][2] = ctx->Current.RasterPos[2];
+ vertices[3][2] = z;
vertices[3][3] = 1.0;
texcoords[0][0] = 0.0;
diff --git a/src/mesa/drivers/dri/intel/intel_span.c b/src/mesa/drivers/dri/intel/intel_span.c
index 8f4e681ffe..d9315043e6 100644
--- a/src/mesa/drivers/dri/intel/intel_span.c
+++ b/src/mesa/drivers/dri/intel/intel_span.c
@@ -633,7 +633,7 @@ intelSpanRenderStart(GLcontext * ctx)
intelFlush(&intel->ctx);
LOCK_HARDWARE(intel);
- for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled) {
struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
intel_tex_map_images(intel, intel_texture_object(texObj));
@@ -655,7 +655,7 @@ intelSpanRenderFinish(GLcontext * ctx)
_swrast_flush(ctx);
- for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ for (i = 0; i < ctx->Const.MaxTextureImageUnits; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled) {
struct gl_texture_object *texObj = ctx->Texture.Unit[i]._Current;
intel_tex_unmap_images(intel, intel_texture_object(texObj));