Attachment 26256 Details for Bug 21963 – workaround

[patch] workaround

bug21963.diff (text/plain), 1.75 KB, created by Alex Deucher on 2009-05-27 11:23:32 UTC

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Creator: Alex Deucher

Created: 2009-05-27 11:23:32 UTC

Size: 1.75 KB

patch

obsolete

>diff --git a/src/r600_exa.c b/src/r600_exa.c
>index 18831f7..988ec7e 100644
>--- a/src/r600_exa.c
>+++ b/src/r600_exa.c
>@@ -1279,18 +1279,53 @@ static Bool R600TextureSetup(PicturePtr pPict, PixmapPtr pPix,
>     set_tex_sampler             (pScrn, accel_state->ib, &tex_samp);
> 
>     if (pPict->transform != 0) {
>+	int tw = w;
>+	int th = h;
> 	accel_state->is_transform[unit] = TRUE;
> 	accel_state->transform[unit] = pPict->transform;
> 
> 	vs_alu_consts[0] = xFixedToFloat(pPict->transform->matrix[0][0]);
> 	vs_alu_consts[1] = xFixedToFloat(pPict->transform->matrix[0][1]);
> 	vs_alu_consts[2] = xFixedToFloat(pPict->transform->matrix[0][2]);
>-	vs_alu_consts[3] = 1.0 / w;
>+	//vs_alu_consts[3] = 1.0 / w;
> 
> 	vs_alu_consts[4] = xFixedToFloat(pPict->transform->matrix[1][0]);
> 	vs_alu_consts[5] = xFixedToFloat(pPict->transform->matrix[1][1]);
> 	vs_alu_consts[6] = xFixedToFloat(pPict->transform->matrix[1][2]);
>-	vs_alu_consts[7] = 1.0 / h;
>+	//vs_alu_consts[7] = 1.0 / h;
>+
>+	/* right */
>+	if ((vs_alu_consts[0] == 0) &&
>+	    (vs_alu_consts[1] == 1) &&
>+	    (vs_alu_consts[2] == 0) &&
>+	    (vs_alu_consts[4] == -1) &&
>+	    (vs_alu_consts[5] == 0) &&
>+	    (vs_alu_consts[6] != 0))
>+	    th++;
>+
>+	/* left */
>+	if ((vs_alu_consts[0] == 0) &&
>+	    (vs_alu_consts[1] == -1) &&
>+	    (vs_alu_consts[2] != 0) &&
>+	    (vs_alu_consts[4] == 1) &&
>+	    (vs_alu_consts[5] == 0) &&
>+	    (vs_alu_consts[6] == 0))
>+	    tw++;
>+
>+	/* inverted */
>+	if ((vs_alu_consts[0] == -1) &&
>+	    (vs_alu_consts[1] == 0) &&
>+	    (vs_alu_consts[2] != 0) &&
>+	    (vs_alu_consts[4] == 0) &&
>+	    (vs_alu_consts[5] == -1) &&
>+	    (vs_alu_consts[6] != 0)) {
>+	    th++;
>+	    tw++;
>+	}
>+
>+	vs_alu_consts[3] = 1.0 / tw;
>+	vs_alu_consts[7] = 1.0 / th;
>+
>     } else {
> 	accel_state->is_transform[unit] = FALSE;
>

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