From: Nicolai Haehnle <nhaehnle@gmail.com>
Date: Sat, 5 Jul 2008 07:31:44 +0000 (+0200)
Subject: r500: Fix blend color.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=09e587fcf3c77860eacf16a45c6cf1a9a54cc605;p=mesa.git

r500: Fix blend color.
---

diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index d378045b983..4dc31614492 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -405,7 +405,7 @@ void r300InitCmdBuf(r300ContextPtr r300)
 		ALLOC_STATE(ri, always, R500_RI_CMDSIZE, 0);
 		r300->hw.ri.cmd[R300_RI_CMD_0] = cmdpacket0(R500_RS_IP_0, 16);
 		for (i = 0; i < 8; i++) {
-			r300->hw.ri.cmd[R300_RI_CMD_0 + i +1] = 
+			r300->hw.ri.cmd[R300_RI_CMD_0 + i +1] =
 			  (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_S_SHIFT) |
                           (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_T_SHIFT) |
                           (R500_RS_IP_PTR_K0 << R500_RS_IP_TEX_PTR_R_SHIFT) |
@@ -470,8 +470,13 @@ void r300InitCmdBuf(r300ContextPtr r300)
 	r300->hw.bld.cmd[R300_BLD_CMD_0] = cmdpacket0(R300_RB3D_CBLEND, 2);
 	ALLOC_STATE(cmk, always, R300_CMK_CMDSIZE, 0);
 	r300->hw.cmk.cmd[R300_CMK_CMD_0] = cmdpacket0(RB3D_COLOR_CHANNEL_MASK, 1);
-	ALLOC_STATE(blend_color, always, 4, 0);
-	r300->hw.blend_color.cmd[0] = cmdpacket0(R300_RB3D_BLEND_COLOR, 3);
+	if (is_r500) {
+		ALLOC_STATE(blend_color, always, 3, 0);
+		r300->hw.blend_color.cmd[0] = cmdpacket0(R500_RB3D_CONSTANT_COLOR_AR, 2);
+	} else {
+		ALLOC_STATE(blend_color, always, 2, 0);
+		r300->hw.blend_color.cmd[0] = cmdpacket0(R300_RB3D_BLEND_COLOR, 1);
+	}
 	ALLOC_STATE(cb, always, R300_CB_CMDSIZE, 0);
 	r300->hw.cb.cmd[R300_CB_CMD_0] = cmdpacket0(R300_RB3D_COLOROFFSET0, 1);
 	r300->hw.cb.cmd[R300_CB_CMD_1] = cmdpacket0(R300_RB3D_COLORPITCH0, 1);
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 592ee9ccc10..0f7c179de84 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -70,20 +70,28 @@ extern void _tnl_UpdateFixedFunctionProgram(GLcontext * ctx);
 
 static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4])
 {
-	GLubyte color[4];
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 
 	R300_STATECHANGE(rmesa, blend_color);
 
-	CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
-	CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
-	CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
-	CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
+	if (rmesa->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515) {
+		GLuint r = IROUND(cf[0]*1023.0f);
+		GLuint g = IROUND(cf[1]*1023.0f);
+		GLuint b = IROUND(cf[2]*1023.0f);
+		GLuint a = IROUND(cf[3]*1023.0f);
 
-	rmesa->hw.blend_color.cmd[1] = PACK_COLOR_8888(color[3], color[0],
-						       color[1], color[2]);
-	rmesa->hw.blend_color.cmd[2] = 0;
-	rmesa->hw.blend_color.cmd[3] = 0;
+		rmesa->hw.blend_color.cmd[1] = r | (a << 16);
+		rmesa->hw.blend_color.cmd[2] = b | (g << 16);
+	} else {
+		GLubyte color[4];
+		CLAMPED_FLOAT_TO_UBYTE(color[0], cf[0]);
+		CLAMPED_FLOAT_TO_UBYTE(color[1], cf[1]);
+		CLAMPED_FLOAT_TO_UBYTE(color[2], cf[2]);
+		CLAMPED_FLOAT_TO_UBYTE(color[3], cf[3]);
+
+		rmesa->hw.blend_color.cmd[1] = PACK_COLOR_8888(color[3], color[0],
+							color[1], color[2]);
+	}
 }
 
 /**