Merge branch 'mesa_7_7_branch'

Merging was easier than cherry picking in this instance.
This commit is contained in:
Brian Paul
2010-01-26 13:23:25 -07:00
4 changed files with 52 additions and 14 deletions

View File

@@ -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>

View File

@@ -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 */

View File

@@ -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 */

View File

@@ -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}"