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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.c223
1 files changed, 156 insertions, 67 deletions
diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index 615826b210..058d4bbafb 100644
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -112,7 +112,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
value[3] = ctx->Light.Light[ln].SpotExponent;
return;
case STATE_SPOT_DIRECTION:
- COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
+ COPY_3V(value, ctx->Light.Light[ln].SpotDirection);
value[3] = ctx->Light.Light[ln]._CosCutoff;
return;
case STATE_SPOT_CUTOFF:
@@ -206,28 +206,28 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
/* state[2] is the texgen attribute */
switch (state[2]) {
case STATE_TEXGEN_EYE_S:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneS);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenS.EyePlane);
return;
case STATE_TEXGEN_EYE_T:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneT);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenT.EyePlane);
return;
case STATE_TEXGEN_EYE_R:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneR);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenR.EyePlane);
return;
case STATE_TEXGEN_EYE_Q:
- COPY_4V(value, ctx->Texture.Unit[unit].EyePlaneQ);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenQ.EyePlane);
return;
case STATE_TEXGEN_OBJECT_S:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneS);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenS.ObjectPlane);
return;
case STATE_TEXGEN_OBJECT_T:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneT);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenT.ObjectPlane);
return;
case STATE_TEXGEN_OBJECT_R:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneR);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenR.ObjectPlane);
return;
case STATE_TEXGEN_OBJECT_Q:
- COPY_4V(value, ctx->Texture.Unit[unit].ObjectPlaneQ);
+ COPY_4V(value, ctx->Texture.Unit[unit].GenQ.ObjectPlane);
return;
default:
_mesa_problem(ctx, "Invalid texgen state in fetch_state");
@@ -359,10 +359,10 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
switch (state[1]) {
case STATE_ENV:
COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
- break;
+ return;
case STATE_LOCAL:
COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
- break;
+ return;
default:
_mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
return;
@@ -378,10 +378,10 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
switch (state[1]) {
case STATE_ENV:
COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
- break;
+ return;
case STATE_LOCAL:
COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
- break;
+ return;
default:
_mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
return;
@@ -395,6 +395,13 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
case STATE_INTERNAL:
switch (state[1]) {
+ case STATE_CURRENT_ATTRIB:
+ {
+ const GLuint idx = (GLuint) state[2];
+ COPY_4V(value, ctx->Current.Attrib[idx]);
+ }
+ return;
+
case STATE_NORMAL_SCALE:
ASSIGN_4V(value,
ctx->_ModelViewInvScale,
@@ -402,19 +409,25 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
ctx->_ModelViewInvScale,
1);
return;
+
case STATE_TEXRECT_SCALE:
+ /* Value = { 1/texWidth, 1/texHeight, 0, 1 }.
+ * Used to convert unnormalized texcoords to normalized texcoords.
+ */
{
const int unit = (int) state[2];
const struct gl_texture_object *texObj
= ctx->Texture.Unit[unit]._Current;
if (texObj) {
struct gl_texture_image *texImage = texObj->Image[0][0];
- ASSIGN_4V(value, (GLfloat) (1.0 / texImage->Width),
- (GLfloat)(1.0 / texImage->Height),
+ ASSIGN_4V(value,
+ (GLfloat) (1.0 / texImage->Width),
+ (GLfloat) (1.0 / texImage->Height),
0.0f, 1.0f);
}
}
return;
+
case STATE_FOG_PARAMS_OPTIMIZED:
/* for simpler per-vertex/pixel fog calcs. POW (for EXP/EXP2 fog)
* might be more expensive than EX2 on some hw, plus it needs
@@ -431,79 +444,118 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
value[3] = (GLfloat)(ctx->Fog.Density * ONE_DIV_SQRT_LN2);
return;
- 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]._NormDirection);
- value[3] = ctx->Light.Light[ln]._CosCutoff;
+ 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]._NormSpotDirection);
+ 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);
+ 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 );
+ 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;
+ 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;
value[2] = ctx->Pixel.BlueScale;
value[3] = ctx->Pixel.AlphaScale;
- break;
+ return;
+
case STATE_PT_BIAS:
value[0] = ctx->Pixel.RedBias;
value[1] = ctx->Pixel.GreenBias;
value[2] = ctx->Pixel.BlueBias;
value[3] = ctx->Pixel.AlphaBias;
- break;
+ return;
+
case STATE_PCM_SCALE:
COPY_4V(value, ctx->Pixel.PostColorMatrixScale);
- break;
+ return;
+
case STATE_PCM_BIAS:
COPY_4V(value, ctx->Pixel.PostColorMatrixBias);
- break;
+ return;
+
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;
+ value[0] =
+ value[1] =
+ value[2] =
+ value[3] = texObj->CompareFailValue;
}
}
return;
+ case STATE_FB_SIZE:
+ value[0] = (GLfloat) (ctx->DrawBuffer->Width - 1);
+ value[1] = (GLfloat) (ctx->DrawBuffer->Height - 1);
+ value[2] = 0.0F;
+ value[3] = 0.0F;
+ return;
+
+ case STATE_ROT_MATRIX_0:
+ {
+ const int unit = (int) state[2];
+ GLfloat *rotMat22 = ctx->Texture.Unit[unit].RotMatrix;
+ value[0] = rotMat22[0];
+ value[1] = rotMat22[2];
+ value[2] = 0.0;
+ value[3] = 0.0;
+ }
+ return;
+
+ case STATE_ROT_MATRIX_1:
+ {
+ const int unit = (int) state[2];
+ GLfloat *rotMat22 = ctx->Texture.Unit[unit].RotMatrix;
+ value[0] = rotMat22[1];
+ value[1] = rotMat22[3];
+ value[2] = 0.0;
+ value[3] = 0.0;
+ }
+ return;
+
+ /* XXX: make sure new tokens added here are also handled in the
+ * _mesa_program_state_flags() switch, below.
+ */
default:
- /* unknown state indexes are silently ignored
- * should be handled by the driver.
+ /* Unknown state indexes are silently ignored here.
+ * Drivers may do something special.
*/
return;
}
@@ -574,11 +626,34 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
case STATE_INTERNAL:
switch (state[1]) {
+ case STATE_CURRENT_ATTRIB:
+ return _NEW_CURRENT_ATTRIB;
+
+ case STATE_NORMAL_SCALE:
+ return _NEW_MODELVIEW;
+
case STATE_TEXRECT_SCALE:
case STATE_SHADOW_AMBIENT:
+ case STATE_ROT_MATRIX_0:
+ case STATE_ROT_MATRIX_1:
return _NEW_TEXTURE;
case STATE_FOG_PARAMS_OPTIMIZED:
return _NEW_FOG;
+ case STATE_LIGHT_SPOT_DIR_NORMALIZED:
+ case STATE_LIGHT_POSITION:
+ case STATE_LIGHT_POSITION_NORMALIZED:
+ case STATE_LIGHT_HALF_VECTOR:
+ return _NEW_LIGHT;
+
+ case STATE_PT_SCALE:
+ case STATE_PT_BIAS:
+ case STATE_PCM_SCALE:
+ case STATE_PCM_BIAS:
+ return _NEW_PIXEL;
+
+ case STATE_FB_SIZE:
+ return _NEW_BUFFERS;
+
default:
/* unknown state indexes are silently ignored and
* no flag set, since it is handled by the driver.
@@ -701,28 +776,28 @@ append_token(char *dst, gl_state_index k)
append(dst, ".spot.cutoff");
break;
case STATE_TEXGEN_EYE_S:
- append(dst, "eye.s");
+ append(dst, ".eye.s");
break;
case STATE_TEXGEN_EYE_T:
- append(dst, "eye.t");
+ append(dst, ".eye.t");
break;
case STATE_TEXGEN_EYE_R:
- append(dst, "eye.r");
+ append(dst, ".eye.r");
break;
case STATE_TEXGEN_EYE_Q:
- append(dst, "eye.q");
+ append(dst, ".eye.q");
break;
case STATE_TEXGEN_OBJECT_S:
- append(dst, "object.s");
+ append(dst, ".object.s");
break;
case STATE_TEXGEN_OBJECT_T:
- append(dst, "object.t");
+ append(dst, ".object.t");
break;
case STATE_TEXGEN_OBJECT_R:
- append(dst, "object.r");
+ append(dst, ".object.r");
break;
case STATE_TEXGEN_OBJECT_Q:
- append(dst, "object.q");
+ append(dst, ".object.q");
break;
case STATE_TEXENV_COLOR:
append(dst, "texenv");
@@ -741,7 +816,10 @@ append_token(char *dst, gl_state_index k)
break;
/* BEGIN internal state vars */
case STATE_INTERNAL:
- append(dst, "(internal)");
+ append(dst, ".internal.");
+ break;
+ case STATE_CURRENT_ATTRIB:
+ append(dst, "current");
break;
case STATE_NORMAL_SCALE:
append(dst, "normalScale");
@@ -777,7 +855,16 @@ append_token(char *dst, gl_state_index k)
append(dst, "PCMbias");
break;
case STATE_SHADOW_AMBIENT:
- append(dst, "ShadowAmbient");
+ append(dst, "CompareFailValue");
+ break;
+ case STATE_FB_SIZE:
+ append(dst, "FbSize");
+ break;
+ case STATE_ROT_MATRIX_0:
+ append(dst, "rotMatrixRow0");
+ break;
+ case STATE_ROT_MATRIX_1:
+ append(dst, "rotMatrixRow1");
break;
default:
/* probably STATE_INTERNAL_DRIVER+i (driver private state) */
@@ -807,7 +894,7 @@ append_index(char *dst, GLint index)
* For example, return "state.matrix.texture[2].inverse".
* Use _mesa_free() to deallocate the string.
*/
-const char *
+char *
_mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
{
char str[1000] = "";
@@ -902,7 +989,9 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
break;
case STATE_INTERNAL:
append_token(str, state[1]);
- break;
+ if (state[1] == STATE_CURRENT_ATTRIB)
+ append_index(str, state[2]);
+ break;
default:
_mesa_problem(NULL, "Invalid state in _mesa_program_state_string");
break;