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-rw-r--r--docs/README.3DFX14
-rw-r--r--src/mesa/drivers/glide/fxvbtmp.h9
2 files changed, 14 insertions, 9 deletions
diff --git a/docs/README.3DFX b/docs/README.3DFX
index 69c16560eb..d9bf09604e 100644
--- a/docs/README.3DFX
+++ b/docs/README.3DFX
@@ -191,14 +191,14 @@ MESA_3DFX_STRING
Desc: advertise "3dfx" substring in GL_RENDERER
Note: used by some games aware by 3dfx hw limitations
MESA_GLX_FX
- OS: win32, linux
- HW: selective
- Desc: force display mode
- Note: (!) experimental!
+ OS: linux
+ HW: Voodoo1, Rush, Voodoo2
+ Desc: display mode
+ Note: (!) experimental: "w" may work in Win32 using non-V1/V2 HW
Value:
- "w" - windowed mode (linux: V1/2/Rush, win32: all except V1/V2)
- "f" - fullscreen mode (linux: V1/V2/Rush)
- "d" - disable glide driver (linux: V1/V2/Rush)
+ "w" - windowed mode
+ "f" - fullscreen mode
+ "d" - disable glide driver
diff --git a/src/mesa/drivers/glide/fxvbtmp.h b/src/mesa/drivers/glide/fxvbtmp.h
index ba6dd15acf..c20d5fc3c4 100644
--- a/src/mesa/drivers/glide/fxvbtmp.h
+++ b/src/mesa/drivers/glide/fxvbtmp.h
@@ -43,7 +43,7 @@ static void TAG(emit)( GLcontext *ctx,
GLfloat (*tc0)[4], (*tc1)[4];
GLfloat (*col)[4], (*spec)[4];
GLuint tc0_stride, tc1_stride, col_stride, spec_stride;
- GLuint tc0_size, tc1_size;
+ GLuint tc0_size, tc1_size, col_size;
GLfloat (*proj)[4] = VB->NdcPtr->data;
GLuint proj_stride = VB->NdcPtr->stride;
GLfloat (*psize)[4];
@@ -80,6 +80,7 @@ static void TAG(emit)( GLcontext *ctx,
if (IND & SETUP_RGBA) {
col = VB->ColorPtr[0]->data;
col_stride = VB->ColorPtr[0]->stride;
+ col_size = VB->ColorPtr[0]->size;
}
if (IND & SETUP_SPEC) {
@@ -138,7 +139,11 @@ static void TAG(emit)( GLcontext *ctx,
UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[2], col[0][0]);
UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[1], col[0][1]);
UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[0], col[0][2]);
- UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]);
+ if (col_size == 4) {
+ UNCLAMPED_FLOAT_TO_UBYTE(v->pargb[3], col[0][3]);
+ } else {
+ v->pargb[3] = 255;
+ }
STRIDE_4F(col, col_stride);
}
if (IND & SETUP_SPEC) {