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authorBrian Paul <brianp@vmware.com>2010-01-26 13:23:25 -0700
committerBrian Paul <brianp@vmware.com>2010-01-26 13:25:53 -0700
commit43867acb6afc7fad26cdc2f22b2a3bb6eeefb2da (patch)
tree4fdb4589a9820b78e79c5192778ed81f9e04855c
parent06d228d8b92b7f4031f0596d498c24c4ed952e68 (diff)
parent68ca19afd7299fa9c686f95d53b7e14df37aba4c (diff)
Merge branch 'mesa_7_7_branch'
Merging was easier than cherry picking in this instance.
-rw-r--r--docs/envvars.html19
-rw-r--r--src/mesa/main/fbobject.c27
-rw-r--r--src/mesa/main/state.c6
-rw-r--r--src/mesa/vbo/vbo_exec_array.c14
4 files changed, 52 insertions, 14 deletions
diff --git a/docs/envvars.html b/docs/envvars.html
index b2c0e01ee32..bb1c914cc73 100644
--- a/docs/envvars.html
+++ b/docs/envvars.html
@@ -51,5 +51,24 @@ See the <A HREF="xlibdriver.html">Xlib software driver page</A> for details.
</ul>
+<p>
+These environment variables are for the Intel i945/i965 drivers:
+</p>
+<ul>
+<li>INTEL_STRICT_CONFORMANCE - if set to 1, enable sw fallbacks to improve
+ OpenGL conformance. If set to 2, always use software rendering.
+<li>INTEL_NO_BLIT - if set, disable hardware-accelerated glBitmap,
+ glCopyPixels, glDrawPixels.
+</ul>
+
+
+<p>
+These environment variables are for the Radeon R300 driver:
+</p>
+<ul>
+<li>R300_NO_TCL - if set, disable hardware-accelerated Transform/Clip/Lighting.
+</ul>
+
+
</BODY>
</HTML>
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index 0556f168501..de1b524c0b5 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -1353,15 +1353,26 @@ _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers)
ASSERT(fb == &DummyFramebuffer || fb->Name == framebuffers[i]);
/* check if deleting currently bound framebuffer object */
- if (fb == ctx->DrawBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ if (ctx->Extensions.EXT_framebuffer_blit) {
+ /* separate draw/read binding points */
+ if (fb == ctx->DrawBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
+ }
+ if (fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
+ }
}
- if (fb == ctx->ReadBuffer) {
- /* bind default */
- ASSERT(fb->RefCount >= 2);
- _mesa_BindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
+ else {
+ /* only one binding point for read/draw buffers */
+ if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer) {
+ /* bind default */
+ ASSERT(fb->RefCount >= 2);
+ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
+ }
}
/* remove from hash table immediately, to free the ID */
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 904ad012052..5e07d1d2f15 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -82,12 +82,6 @@ compute_max_element(struct gl_client_array *array)
} else {
array->_MaxElement = 0;
}
- /* Compute the max element we can access in the VBO without going
- * out of bounds.
- */
- array->_MaxElement = ((GLsizeiptrARB) array->BufferObj->Size
- - (GLsizeiptrARB) array->Ptr + array->StrideB
- - array->_ElementSize) / array->StrideB;
}
else {
/* user-space array, no idea how big it is */
diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
index 2c82f7c9c5c..bd2fccdba14 100644
--- a/src/mesa/vbo/vbo_exec_array.c
+++ b/src/mesa/vbo/vbo_exec_array.c
@@ -688,6 +688,16 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
* or we can read/write out of memory in several different places!
*/
+ /* Catch/fix some potential user errors */
+ if (type == GL_UNSIGNED_BYTE) {
+ start = MIN2(start, 0xff);
+ end = MIN2(end, 0xff);
+ }
+ else if (type == GL_UNSIGNED_SHORT) {
+ start = MIN2(start, 0xffff);
+ end = MIN2(end, 0xffff);
+ }
+
if (end >= ctx->Array.ArrayObj->_MaxElement) {
/* the max element is out of bounds of one or more enabled arrays */
warnCount++;
@@ -738,6 +748,10 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode,
*/
}
#endif
+
+ /* Set 'end' to the max possible legal value */
+ assert(ctx->Array.ArrayObj->_MaxElement >= 1);
+ end = ctx->Array.ArrayObj->_MaxElement - 1;
}
else if (0) {
_mesa_printf("glDraw[Range]Elements{,BaseVertex}"