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r300: fix StrideB == 0 case when converting data format

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Reported-by: Nicolai Hähnle <nhaehnle@gmail.com>
This commit is contained in:
Maciej Cencora
2009-07-11 15:53:01 +02:00
parent 4eff323731
commit 48cc352a71
1 changed files with 10 additions and 1 deletions
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src/mesa/drivers/dri/r300/r300_draw.c
+10 -1
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@@ -195,6 +195,11 @@ static void r300TranslateAttrib(GLcontext *ctx, GLuint attr, int count, const st
}
GLfloat *dst_ptr, *tmp;
/* Convert value for first element only */
if (input->StrideB == 0)
count = 1;
tmp = dst_ptr = _mesa_malloc(sizeof(GLfloat) * input->Size * count);
switch (input->Type) {
@@ -228,7 +233,11 @@ static void r300TranslateAttrib(GLcontext *ctx, GLuint attr, int count, const st
type = GL_FLOAT;
r300_attr.free_needed = GL_TRUE;
r300_attr.data = tmp;
r300_attr.stride = sizeof(GLfloat) * input->Size;
if (input->StrideB == 0) {
r300_attr.stride = 0;
} else {
r300_attr.stride = sizeof(GLfloat) * input->Size;
}
r300_attr.dwords = input->Size;
} else {
type = input->Type;