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authorMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
committerMichal Krol <michal@vmware.com>2009-12-12 16:48:32 +0100
commita3eb0f718e19653a2ad8e49396c904183be456f3 (patch)
tree0092574c469ea586a6cab8b8ebb7ac62b8221a2a /src/mesa/state_tracker/st_draw.c
parent491f384c3958067e6c4c994041f5d8d413b806bc (diff)
parent784cca9fa527de771754d76545970f78094b9adf (diff)
Merge branch 'master' into glsl-pp-rework-2
Conflicts: progs/perf/drawoverhead.c progs/perf/teximage.c progs/perf/vbo.c progs/perf/vertexrate.c src/mesa/shader/slang/library/slang_common_builtin_gc.h
Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
-rw-r--r--src/mesa/state_tracker/st_draw.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 503a5f34a3..e13ae57a0e 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -25,10 +25,20 @@
*
**************************************************************************/
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
+/*
+ * This file implements the st_draw_vbo() function which is called from
+ * Mesa's VBO module. All point/line/triangle rendering is done through
+ * this function whether the user called glBegin/End, glDrawArrays,
+ * glDrawElements, glEvalMesh, or glCalList, etc.
+ *
+ * We basically convert the VBO's vertex attribute/array information into
+ * Gallium vertex state, bind the vertex buffer objects and call
+ * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays().
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
#include "main/imports.h"
#include "main/image.h"
@@ -328,23 +338,29 @@ get_arrays_bounds(const struct st_vertex_program *vp,
const GLubyte **low, const GLubyte **high)
{
const GLubyte *low_addr = NULL;
+ const GLubyte *high_addr = NULL;
GLuint attr;
- GLint stride;
for (attr = 0; attr < vp->num_inputs; attr++) {
const GLuint mesaAttr = vp->index_to_input[attr];
+ const GLint stride = arrays[mesaAttr]->StrideB;
const GLubyte *start = arrays[mesaAttr]->Ptr;
- stride = arrays[mesaAttr]->StrideB;
+ const unsigned sz = (arrays[mesaAttr]->Size *
+ _mesa_sizeof_type(arrays[mesaAttr]->Type));
+ const GLubyte *end = start + (max_index * stride) + sz;
+
if (attr == 0) {
low_addr = start;
+ high_addr = end;
}
else {
low_addr = MIN2(low_addr, start);
+ high_addr = MAX2(high_addr, end);
}
}
*low = low_addr;
- *high = low_addr + (max_index + 1) * stride;
+ *high = high_addr;
}
@@ -557,7 +573,7 @@ st_draw_vbo(GLcontext *ctx,
/* must get these after state validation! */
vp = ctx->st->vp;
- vs = &ctx->st->vp->state;
+ vs = &ctx->st->vp_varient->state;
#if 0
if (MESA_VERBOSE & VERBOSE_GLSL) {