1 files changed, 314 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv04_state_raster.c b/src/mesa/drivers/dri/nouveau/nv04_state_raster.c
new file mode 100644
index 00000000000..5e3788d1854
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nv04_state_raster.c
@@ -0,0 +1,314 @@
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "nouveau_driver.h"
+#include "nouveau_context.h"
+#include "nouveau_util.h"
+#include "nouveau_class.h"
+#include "nv04_driver.h"
+
+static unsigned
+get_comparison_op(unsigned op)
+{
+	switch (op) {
+	case GL_NEVER:
+		return 0x1;
+	case GL_LESS:
+		return 0x2;
+	case GL_EQUAL:
+		return 0x3;
+	case GL_LEQUAL:
+		return 0x4;
+	case GL_GREATER:
+		return 0x5;
+	case GL_NOTEQUAL:
+		return 0x6;
+	case GL_GEQUAL:
+		return 0x7;
+	case GL_ALWAYS:
+		return 0x8;
+	default:
+		assert(0);
+	}
+}
+
+static unsigned
+get_stencil_op(unsigned op)
+{
+	switch (op) {
+	case GL_KEEP:
+		return 0x1;
+	case GL_INCR:
+		return 0x4;
+	case GL_DECR:
+		return 0x5;
+	case GL_INVERT:
+		return 0x6;
+	default:
+		assert(0);
+	}
+}
+
+static unsigned
+get_texenv_mode(unsigned mode)
+{
+	switch (mode) {
+	case GL_REPLACE:
+		return 0x1;
+	case GL_ADD:
+		return 0x2;
+	case GL_DECAL:
+		return 0x3;
+	case GL_MODULATE:
+		return 0x4;
+	default:
+		assert(0);
+	}
+}
+
+static unsigned
+get_blend_func(unsigned func)
+{
+	switch (func) {
+	case GL_ZERO:
+		return 0x1;
+	case GL_ONE:
+		return 0x2;
+	case GL_SRC_COLOR:
+		return 0x3;
+	case GL_ONE_MINUS_SRC_COLOR:
+		return 0x4;
+	case GL_SRC_ALPHA:
+		return 0x5;
+	case GL_ONE_MINUS_SRC_ALPHA:
+		return 0x6;
+	case GL_DST_ALPHA:
+		return 0x7;
+	case GL_ONE_MINUS_DST_ALPHA:
+		return 0x8;
+	case GL_DST_COLOR:
+		return 0x9;
+	case GL_ONE_MINUS_DST_COLOR:
+		return 0xa;
+	case GL_SRC_ALPHA_SATURATE:
+		return 0xb;
+	default:
+		assert(0);
+	}
+}
+
+void
+nv04_defer_control(GLcontext *ctx, int emit)
+{
+	context_dirty(ctx, CONTROL);
+}
+
+void
+nv04_emit_control(GLcontext *ctx, int emit)
+{
+	struct nouveau_channel *chan = context_chan(ctx);
+	struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx);
+
+	if (nv04_mtex_engine(fahrenheit)) {
+		int cull_mode = ctx->Polygon.CullFaceMode;
+		int front_face = ctx->Polygon.FrontFace;
+		uint32_t ctrl0 = 1 << 30 |
+			NV04_MULTITEX_TRIANGLE_CONTROL0_ORIGIN;
+		uint32_t ctrl1 = 0, ctrl2 = 0;
+
+		/* Color mask. */
+		if (ctx->Color.ColorMask[0][RCOMP])
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_RED_WRITE;
+		if (ctx->Color.ColorMask[0][GCOMP])
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_GREEN_WRITE;
+		if (ctx->Color.ColorMask[0][BCOMP])
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_BLUE_WRITE;
+		if (ctx->Color.ColorMask[0][ACOMP])
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_WRITE;
+
+		/* Dithering. */
+		if (ctx->Color.DitherFlag)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_DITHER_ENABLE;
+
+		/* Cull mode. */
+		if (!ctx->Polygon.CullFlag)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_NONE;
+		else if (cull_mode == GL_FRONT_AND_BACK)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_BOTH;
+		else
+			ctrl0 |= (cull_mode == GL_FRONT) ^ (front_face == GL_CCW) ?
+				NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_CW :
+				NV04_MULTITEX_TRIANGLE_CONTROL0_CULL_MODE_CCW;
+
+		/* Depth test. */
+		if (ctx->Depth.Test)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_Z_ENABLE;
+
+		if (ctx->Depth.Mask)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_Z_WRITE;
+
+		ctrl0 |= get_comparison_op(ctx->Depth.Func) << 16;
+
+		/* Alpha test. */
+		if (ctx->Color.AlphaEnabled)
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_ENABLE;
+
+		ctrl0 |= get_comparison_op(ctx->Color.AlphaFunc) << 8 |
+			FLOAT_TO_UBYTE(ctx->Color.AlphaRef);
+
+		/* Stencil test. */
+		if (ctx->Stencil.WriteMask[0])
+			ctrl0 |= NV04_MULTITEX_TRIANGLE_CONTROL0_STENCIL_WRITE;
+
+		if (ctx->Stencil.Enabled)
+			ctrl1 |= NV04_MULTITEX_TRIANGLE_CONTROL1_STENCIL_ENABLE;
+
+		ctrl1 |= get_comparison_op(ctx->Stencil.Function[0]) << 4 |
+			ctx->Stencil.Ref[0] << 8 |
+			ctx->Stencil.ValueMask[0] << 16 |
+			ctx->Stencil.WriteMask[0] << 24;
+
+		ctrl2 |= get_stencil_op(ctx->Stencil.ZPassFunc[0]) << 8 |
+			get_stencil_op(ctx->Stencil.ZFailFunc[0]) << 4 |
+			get_stencil_op(ctx->Stencil.FailFunc[0]);
+
+		BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_CONTROL0, 3);
+		OUT_RING(chan, ctrl0);
+		OUT_RING(chan, ctrl1);
+		OUT_RING(chan, ctrl2);
+
+	} else {
+		int cull_mode = ctx->Polygon.CullFaceMode;
+		int front_face = ctx->Polygon.FrontFace;
+		uint32_t ctrl = 1 << 30 |
+			NV04_TEXTURED_TRIANGLE_CONTROL_ORIGIN;
+
+		/* Dithering. */
+		if (ctx->Color.DitherFlag)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_DITHER_ENABLE;
+
+		/* Cull mode. */
+		if (!ctx->Polygon.CullFlag)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_NONE;
+		else if (cull_mode == GL_FRONT_AND_BACK)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_BOTH;
+		else
+			ctrl |= (cull_mode == GL_FRONT) ^ (front_face == GL_CCW) ?
+				NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CW :
+				NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CCW;
+
+		/* Depth test. */
+		if (ctx->Depth.Test)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_ENABLE;
+		if (ctx->Depth.Mask)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_WRITE;
+
+		ctrl |= get_comparison_op(ctx->Depth.Func) << 16;
+
+		/* Alpha test. */
+		if (ctx->Color.AlphaEnabled)
+			ctrl |= NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_ENABLE;
+
+		ctrl |= get_comparison_op(ctx->Color.AlphaFunc) << 8 |
+			FLOAT_TO_UBYTE(ctx->Color.AlphaRef);
+
+		BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_CONTROL, 1);
+		OUT_RING(chan, ctrl);
+	}
+}
+
+void
+nv04_defer_blend(GLcontext *ctx, int emit)
+{
+	context_dirty(ctx, BLEND);
+}
+
+void
+nv04_emit_blend(GLcontext *ctx, int emit)
+{
+	struct nouveau_channel *chan = context_chan(ctx);
+	struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx);
+
+	if (nv04_mtex_engine(fahrenheit)) {
+		uint32_t blend = 0x2 << 4 |
+			NV04_MULTITEX_TRIANGLE_BLEND_TEXTURE_PERSPECTIVE_ENABLE;
+
+		/* Alpha blending. */
+		blend |= get_blend_func(ctx->Color.BlendDstRGB) << 28 |
+			get_blend_func(ctx->Color.BlendSrcRGB) << 24;
+
+		if (ctx->Color.BlendEnabled)
+			blend |= NV04_MULTITEX_TRIANGLE_BLEND_BLEND_ENABLE;
+
+		/* Shade model. */
+		if (ctx->Light.ShadeModel == GL_SMOOTH)
+			blend |= NV04_MULTITEX_TRIANGLE_BLEND_SHADE_MODE_GOURAUD;
+		else
+			blend |= NV04_MULTITEX_TRIANGLE_BLEND_SHADE_MODE_FLAT;
+
+		/* Fog. */
+		if (ctx->Fog.Enabled)
+			blend |= NV04_MULTITEX_TRIANGLE_BLEND_FOG_ENABLE;
+
+		BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_BLEND, 1);
+		OUT_RING(chan, blend);
+
+		BEGIN_RING(chan, fahrenheit, NV04_MULTITEX_TRIANGLE_FOGCOLOR, 1);
+		OUT_RING(chan, pack_rgba_f(MESA_FORMAT_ARGB8888,
+					   ctx->Fog.Color));
+
+	} else {
+		uint32_t blend = 0x2 << 4 |
+			NV04_TEXTURED_TRIANGLE_BLEND_TEXTURE_PERSPECTIVE_ENABLE;
+
+		/* Alpha blending. */
+		blend |= get_blend_func(ctx->Color.BlendDstRGB) << 28 |
+			get_blend_func(ctx->Color.BlendSrcRGB) << 24;
+
+		if (ctx->Color.BlendEnabled)
+			blend |= NV04_TEXTURED_TRIANGLE_BLEND_BLEND_ENABLE;
+
+		/* Shade model. */
+		if (ctx->Light.ShadeModel == GL_SMOOTH)
+			blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_GOURAUD;
+		else
+			blend |= NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_FLAT;
+
+		/* Texture environment. */
+		blend |= get_texenv_mode(ctx->Texture.Unit[0].EnvMode);
+
+		/* Fog. */
+		if (ctx->Fog.Enabled)
+			blend |= NV04_TEXTURED_TRIANGLE_BLEND_FOG_ENABLE;
+
+		BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_BLEND, 1);
+		OUT_RING(chan, blend);
+
+		BEGIN_RING(chan, fahrenheit, NV04_TEXTURED_TRIANGLE_FOGCOLOR, 1);
+		OUT_RING(chan, pack_rgba_f(MESA_FORMAT_ARGB8888,
+					   ctx->Fog.Color));
+	}
+}