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path: root/src/mesa/shader/prog_statevars.c
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Diffstat (limited to 'src/mesa/shader/prog_statevars.c')
-rw-r--r--src/mesa/shader/prog_statevars.c59
1 files changed, 44 insertions, 15 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index ba3c988445..7e444de304 100644
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -37,7 +37,6 @@
#include "mtypes.h"
#include "prog_statevars.h"
#include "prog_parameter.h"
-#include "nvvertparse.h"
/**
@@ -134,10 +133,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
value[3] = 1.0;
}
return;
- case STATE_POSITION_NORMALIZED:
- COPY_4V(value, ctx->Light.Light[ln].EyePosition);
- NORMALIZE_3FV( value );
- return;
default:
_mesa_problem(ctx, "Invalid light state in fetch_state");
return;
@@ -254,7 +249,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
value[1] = ctx->Fog.Start;
value[2] = ctx->Fog.End;
value[3] = (ctx->Fog.End == ctx->Fog.Start)
- ? 1.0 : 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+ ? 1.0 : (GLfloat)(1.0 / (ctx->Fog.End - ctx->Fog.Start));
return;
case STATE_CLIPPLANE:
{
@@ -401,7 +396,11 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
case STATE_INTERNAL:
switch (state[1]) {
case STATE_NORMAL_SCALE:
- ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
+ ASSIGN_4V(value,
+ ctx->_ModelViewInvScale,
+ ctx->_ModelViewInvScale,
+ ctx->_ModelViewInvScale,
+ 1);
return;
case STATE_TEXRECT_SCALE:
{
@@ -411,7 +410,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
if (texObj) {
struct gl_texture_image *texImage = texObj->Image[0][0];
ASSIGN_4V(value, 1.0 / texImage->Width,
- 1.0 / texImage->Height,
+ (GLfloat)(1.0 / texImage->Height),
0.0, 1.0);
}
}
@@ -426,20 +425,51 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
* exp2: 2^-((density/(ln(2)^2) * fogcoord)^2)
*/
value[0] = (ctx->Fog.End == ctx->Fog.Start)
- ? 1.0 : -1.0F / (ctx->Fog.End - ctx->Fog.Start);
+ ? 1.0 : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));
value[1] = ctx->Fog.End * -value[0];
- value[2] = ctx->Fog.Density * ONE_DIV_LN2;
- value[3] = ctx->Fog.Density * ONE_DIV_SQRT_LN2;
+ value[2] = (GLfloat)(ctx->Fog.Density * ONE_DIV_LN2);
+ value[3] = (GLfloat)(ctx->Fog.Density * ONE_DIV_SQRT_LN2);
return;
- case STATE_SPOT_DIR_NORMALIZED: {
+
+ case STATE_LIGHT_SPOT_DIR_NORMALIZED: {
/* here, state[2] is the light number */
/* pre-normalize spot dir */
const GLuint ln = (GLuint) state[2];
- COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
- NORMALIZE_3FV(value);
+ COPY_3V(value, ctx->Light.Light[ln]._NormDirection);
value[3] = ctx->Light.Light[ln]._CosCutoff;
return;
}
+
+ case STATE_LIGHT_POSITION: {
+ const GLuint ln = (GLuint) state[2];
+ COPY_4V(value, ctx->Light.Light[ln]._Position);
+ return;
+ }
+
+ case STATE_LIGHT_POSITION_NORMALIZED: {
+ const GLuint ln = (GLuint) state[2];
+ COPY_4V(value, ctx->Light.Light[ln]._Position);
+ NORMALIZE_3FV( value );
+ return;
+ }
+
+ case STATE_LIGHT_HALF_VECTOR: {
+ const GLuint ln = (GLuint) state[2];
+ GLfloat p[3];
+ /* Compute infinite half angle vector:
+ * halfVector = normalize(normalize(lightPos) + (0, 0, 1))
+ * light.EyePosition.w should be 0 for infinite lights.
+ */
+ COPY_3V(p, ctx->Light.Light[ln]._Position);
+ NORMALIZE_3FV(p);
+ ADD_3V(value, p, ctx->_EyeZDir);
+ NORMALIZE_3FV(value);
+ value[3] = 1.0;
+ return;
+ }
+
+
+
case STATE_PT_SCALE:
value[0] = ctx->Pixel.RedScale;
value[1] = ctx->Pixel.GreenScale;
@@ -696,7 +726,6 @@ append_token(char *dst, gl_state_index k)
append(dst, "normalScale");
break;
case STATE_INTERNAL:
- case STATE_POSITION_NORMALIZED:
append(dst, "(internal)");
break;
case STATE_PT_SCALE: