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r300: Implement ARB_shadow_ambient; add STATE_SHADOW_AMBIENT

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This commit is contained in:
Nicolai Haehnle
2008-07-27 21:31:49 +02:00
parent e88be7d375
commit c117d0efd2
5 changed files with 86 additions and 26 deletions
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28
src/mesa/shader/prog_statevars.c
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@@ -132,7 +132,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
ADD_3V(value, p, eye_z);
NORMALIZE_3FV(value);
value[3] = 1.0;
}
}
return;
case STATE_POSITION_NORMALIZED:
COPY_4V(value, ctx->Light.Light[ln].EyePosition);
@@ -240,11 +240,11 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
}
}
case STATE_TEXENV_COLOR:
{
{
/* state[1] is the texture unit */
const GLuint unit = (GLuint) state[1];
COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
}
}
return;
case STATE_FOG_COLOR:
COPY_4V(value, ctx->Fog.Color);
@@ -374,7 +374,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
}
}
return;
case STATE_VERTEX_PROGRAM:
{
/* state[1] = {STATE_ENV, STATE_LOCAL} */
@@ -458,6 +458,20 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
case STATE_PCM_BIAS:
COPY_4V(value, ctx->Pixel.PostColorMatrixBias);
break;
case STATE_SHADOW_AMBIENT:
{
const int unit = (int) state[2];
const struct gl_texture_object *texObj
= ctx->Texture.Unit[unit]._Current;
if (texObj) {
value[0] = texObj->ShadowAmbient;
value[1] = texObj->ShadowAmbient;
value[2] = texObj->ShadowAmbient;
value[3] = texObj->ShadowAmbient;
}
}
return;
default:
/* unknown state indexes are silently ignored
* should be handled by the driver.
@@ -532,6 +546,7 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
case STATE_INTERNAL:
switch (state[1]) {
case STATE_TEXRECT_SCALE:
case STATE_SHADOW_AMBIENT:
return _NEW_TEXTURE;
case STATE_FOG_PARAMS_OPTIMIZED:
return _NEW_FOG;
@@ -711,6 +726,9 @@ append_token(char *dst, gl_state_index k)
case STATE_PCM_BIAS:
append(dst, "PCMbias");
break;
case STATE_SHADOW_AMBIENT:
append(dst, "ShadowAmbient");
break;
default:
;
}
@@ -861,7 +879,7 @@ _mesa_load_state_parameters(GLcontext *ctx,
for (i = 0; i < paramList->NumParameters; i++) {
if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
_mesa_fetch_state(ctx,
_mesa_fetch_state(ctx,
(gl_state_index *) paramList->Parameters[i].StateIndexes,
paramList->ParameterValues[i]);
}