return NULL;
}
+struct statevar_element {
+ const char *field;
+ int tokens[STATE_LENGTH];
+ int swizzle;
+ bool array_indexed;
+};
+
+static struct statevar_element gl_DepthRange_elements[] = {
+ {"near", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_XXXX},
+ {"far", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_YYYY},
+ {"diff", {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_ZZZZ},
+};
+
+static struct statevar_element gl_ClipPlane_elements[] = {
+ {NULL, {STATE_CLIPPLANE, 0, 0}, SWIZZLE_XYZW}
+};
+
+static struct statevar_element gl_Point_elements[] = {
+ {"size", {STATE_POINT_SIZE}, SWIZZLE_XXXX},
+ {"sizeMin", {STATE_POINT_SIZE}, SWIZZLE_YYYY},
+ {"sizeMax", {STATE_POINT_SIZE}, SWIZZLE_ZZZZ},
+ {"fadeThresholdSize", {STATE_POINT_SIZE}, SWIZZLE_WWWW},
+ {"distanceConstantAttenuation", {STATE_POINT_ATTENUATION}, SWIZZLE_XXXX},
+ {"distanceLinearAttenuation", {STATE_POINT_ATTENUATION}, SWIZZLE_YYYY},
+ {"distanceQuadraticAttenuation", {STATE_POINT_ATTENUATION}, SWIZZLE_ZZZZ},
+};
+
+static struct statevar_element gl_FrontMaterial_elements[] = {
+ {"emission", {STATE_MATERIAL, 0, STATE_EMISSION}, SWIZZLE_XYZW},
+ {"ambient", {STATE_MATERIAL, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
+ {"diffuse", {STATE_MATERIAL, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
+ {"specular", {STATE_MATERIAL, 0, STATE_SPECULAR}, SWIZZLE_XYZW},
+ {"shininess", {STATE_MATERIAL, 0, STATE_SHININESS}, SWIZZLE_XXXX},
+};
+
+static struct statevar_element gl_BackMaterial_elements[] = {
+ {"emission", {STATE_MATERIAL, 1, STATE_EMISSION}, SWIZZLE_XYZW},
+ {"ambient", {STATE_MATERIAL, 1, STATE_AMBIENT}, SWIZZLE_XYZW},
+ {"diffuse", {STATE_MATERIAL, 1, STATE_DIFFUSE}, SWIZZLE_XYZW},
+ {"specular", {STATE_MATERIAL, 1, STATE_SPECULAR}, SWIZZLE_XYZW},
+ {"shininess", {STATE_MATERIAL, 1, STATE_SHININESS}, SWIZZLE_XXXX},
+};
+
+static struct statevar_element gl_LightSource_elements[] = {
+ {"ambient", {STATE_LIGHT, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
+ {"diffuse", {STATE_LIGHT, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
+ {"specular", {STATE_LIGHT, 0, STATE_SPECULAR}, SWIZZLE_XYZW},
+ {"position", {STATE_LIGHT, 0, STATE_POSITION}, SWIZZLE_XYZW},
+ {"halfVector", {STATE_LIGHT, 0, STATE_HALF_VECTOR}, SWIZZLE_XYZW},
+ {"spotDirection", {STATE_LIGHT, 0, STATE_SPOT_DIRECTION}, SWIZZLE_XYZW},
+ {"spotCosCutoff", {STATE_LIGHT, 0, STATE_SPOT_DIRECTION}, SWIZZLE_WWWW},
+ {"spotCutoff", {STATE_LIGHT, 0, STATE_SPOT_CUTOFF}, SWIZZLE_XXXX},
+ {"spotExponent", {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_WWWW},
+ {"constantAttenuation", {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_XXXX},
+ {"linearAttenuation", {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_YYYY},
+ {"quadraticAttenuation", {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_ZZZZ},
+};
+
+static struct statevar_element gl_LightModel_elements[] = {
+ {"ambient", {STATE_LIGHTMODEL_AMBIENT, 0}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_FrontLightModelProduct_elements[] = {
+ {"sceneColor", {STATE_LIGHTMODEL_SCENECOLOR, 0}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_BackLightModelProduct_elements[] = {
+ {"sceneColor", {STATE_LIGHTMODEL_SCENECOLOR, 1}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_FrontLightProduct_elements[] = {
+ {"ambient", {STATE_LIGHTPROD, 0, 0, STATE_AMBIENT}, SWIZZLE_XYZW},
+ {"diffuse", {STATE_LIGHTPROD, 0, 0, STATE_DIFFUSE}, SWIZZLE_XYZW},
+ {"specular", {STATE_LIGHTPROD, 0, 0, STATE_SPECULAR}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_BackLightProduct_elements[] = {
+ {"ambient", {STATE_LIGHTPROD, 0, 1, STATE_AMBIENT}, SWIZZLE_XYZW},
+ {"diffuse", {STATE_LIGHTPROD, 0, 1, STATE_DIFFUSE}, SWIZZLE_XYZW},
+ {"specular", {STATE_LIGHTPROD, 0, 1, STATE_SPECULAR}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_TextureEnvColor_elements[] = {
+ {NULL, {STATE_TEXENV_COLOR, 0}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_EyePlaneS_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_S}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_EyePlaneT_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_T}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_EyePlaneR_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_R}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_EyePlaneQ_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_Q}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_ObjectPlaneS_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_S}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_ObjectPlaneT_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_T}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_ObjectPlaneR_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_R}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_ObjectPlaneQ_elements[] = {
+ {NULL, {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_Q}, SWIZZLE_XYZW},
+};
+
+static struct statevar_element gl_Fog_elements[] = {
+ {"color", {STATE_FOG_COLOR}, SWIZZLE_XYZW},
+ {"density", {STATE_FOG_PARAMS}, SWIZZLE_XXXX},
+ {"start", {STATE_FOG_PARAMS}, SWIZZLE_YYYY},
+ {"end", {STATE_FOG_PARAMS}, SWIZZLE_ZZZZ},
+ {"scale", {STATE_FOG_PARAMS}, SWIZZLE_WWWW},
+};
+
+#define MATRIX(name, statevar, modifier) \
+ static struct statevar_element name ## _elements[] = { \
+ { NULL, { statevar, 0, 0, 0, modifier}, SWIZZLE_XYZW }, \
+ { NULL, { statevar, 0, 1, 1, modifier}, SWIZZLE_XYZW }, \
+ { NULL, { statevar, 0, 2, 2, modifier}, SWIZZLE_XYZW }, \
+ { NULL, { statevar, 0, 3, 3, modifier}, SWIZZLE_XYZW }, \
+ }
+
+MATRIX(gl_ModelViewMatrix,
+ STATE_MODELVIEW_MATRIX, STATE_MATRIX_TRANSPOSE);
+MATRIX(gl_ModelViewMatrixInverse,
+ STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVTRANS);
+MATRIX(gl_ModelViewMatrixTranspose,
+ STATE_MODELVIEW_MATRIX, 0);
+MATRIX(gl_ModelViewMatrixInverseTranspose,
+ STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVERSE);
+
+MATRIX(gl_ProjectionMatrix,
+ STATE_PROJECTION_MATRIX, STATE_MATRIX_TRANSPOSE);
+MATRIX(gl_ProjectionMatrixInverse,
+ STATE_PROJECTION_MATRIX, STATE_MATRIX_INVTRANS);
+MATRIX(gl_ProjectionMatrixTranspose,
+ STATE_PROJECTION_MATRIX, 0);
+MATRIX(gl_ProjectionMatrixInverseTranspose,
+ STATE_PROJECTION_MATRIX, STATE_MATRIX_INVERSE);
+
+MATRIX(gl_ModelViewProjectionMatrix,
+ STATE_MVP_MATRIX, STATE_MATRIX_TRANSPOSE);
+MATRIX(gl_ModelViewProjectionMatrixInverse,
+ STATE_MVP_MATRIX, STATE_MATRIX_INVTRANS);
+MATRIX(gl_ModelViewProjectionMatrixTranspose,
+ STATE_MVP_MATRIX, 0);
+MATRIX(gl_ModelViewProjectionMatrixInverseTranspose,
+ STATE_MVP_MATRIX, STATE_MATRIX_INVERSE);
+
+MATRIX(gl_TextureMatrix,
+ STATE_TEXTURE_MATRIX, STATE_MATRIX_TRANSPOSE);
+MATRIX(gl_TextureMatrixInverse,
+ STATE_TEXTURE_MATRIX, STATE_MATRIX_INVTRANS);
+MATRIX(gl_TextureMatrixTranspose,
+ STATE_TEXTURE_MATRIX, 0);
+MATRIX(gl_TextureMatrixInverseTranspose,
+ STATE_TEXTURE_MATRIX, STATE_MATRIX_INVERSE);
+
+static struct statevar_element gl_NormalMatrix_elements[] = {
+ { NULL, { STATE_MODELVIEW_MATRIX, 0, 0, 0, STATE_MATRIX_INVERSE},
+ SWIZZLE_XYZW },
+ { NULL, { STATE_MODELVIEW_MATRIX, 0, 1, 1, STATE_MATRIX_INVERSE},
+ SWIZZLE_XYZW },
+ { NULL, { STATE_MODELVIEW_MATRIX, 0, 2, 2, STATE_MATRIX_INVERSE},
+ SWIZZLE_XYZW },
+};
+
+#undef MATRIX
+
+#define STATEVAR(name) {#name, name ## _elements, Elements(name ## _elements)}
+
+static const struct statevar {
+ const char *name;
+ struct statevar_element *elements;
+ unsigned int num_elements;
+} statevars[] = {
+ STATEVAR(gl_DepthRange),
+ STATEVAR(gl_ClipPlane),
+ STATEVAR(gl_Point),
+ STATEVAR(gl_FrontMaterial),
+ STATEVAR(gl_BackMaterial),
+ STATEVAR(gl_LightSource),
+ STATEVAR(gl_LightModel),
+ STATEVAR(gl_FrontLightModelProduct),
+ STATEVAR(gl_BackLightModelProduct),
+ STATEVAR(gl_FrontLightProduct),
+ STATEVAR(gl_BackLightProduct),
+ STATEVAR(gl_TextureEnvColor),
+ STATEVAR(gl_EyePlaneS),
+ STATEVAR(gl_EyePlaneT),
+ STATEVAR(gl_EyePlaneR),
+ STATEVAR(gl_EyePlaneQ),
+ STATEVAR(gl_ObjectPlaneS),
+ STATEVAR(gl_ObjectPlaneT),
+ STATEVAR(gl_ObjectPlaneR),
+ STATEVAR(gl_ObjectPlaneQ),
+ STATEVAR(gl_Fog),
+
+ STATEVAR(gl_ModelViewMatrix),
+ STATEVAR(gl_ModelViewMatrixInverse),
+ STATEVAR(gl_ModelViewMatrixTranspose),
+ STATEVAR(gl_ModelViewMatrixInverseTranspose),
+
+ STATEVAR(gl_ProjectionMatrix),
+ STATEVAR(gl_ProjectionMatrixInverse),
+ STATEVAR(gl_ProjectionMatrixTranspose),
+ STATEVAR(gl_ProjectionMatrixInverseTranspose),
+
+ STATEVAR(gl_ModelViewProjectionMatrix),
+ STATEVAR(gl_ModelViewProjectionMatrixInverse),
+ STATEVAR(gl_ModelViewProjectionMatrixTranspose),
+ STATEVAR(gl_ModelViewProjectionMatrixInverseTranspose),
+
+ STATEVAR(gl_TextureMatrix),
+ STATEVAR(gl_TextureMatrixInverse),
+ STATEVAR(gl_TextureMatrixTranspose),
+ STATEVAR(gl_TextureMatrixInverseTranspose),
+
+ STATEVAR(gl_NormalMatrix),
+};
+
void
ir_to_mesa_visitor::visit(ir_variable *ir)
{
fp->OriginUpperLeft = ir->origin_upper_left;
fp->PixelCenterInteger = ir->pixel_center_integer;
}
+
+ if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
+ unsigned int i;
+
+ for (i = 0; i < Elements(statevars); i++) {
+ if (strcmp(ir->name, statevars[i].name) == 0)
+ break;
+ }
+
+ if (i == Elements(statevars)) {
+ fail_link(this->shader_program,
+ "Failed to find builtin uniform `%s'\n", ir->name);
+ return;
+ }
+
+ const struct statevar *statevar = &statevars[i];
+
+ int array_count;
+ if (ir->type->is_array()) {
+ array_count = ir->type->length;
+ } else {
+ array_count = 1;
+ }
+
+ /* Check if this statevar's setup in the STATE file exactly
+ * matches how we'll want to reference it as a
+ * struct/array/whatever. If not, then we need to move it into
+ * temporary storage and hope that it'll get copy-propagated
+ * out.
+ */
+ for (i = 0; i < statevar->num_elements; i++) {
+ if (statevar->elements[i].swizzle != SWIZZLE_XYZW) {
+ break;
+ }
+ }
+
+ struct variable_storage *storage;
+ ir_to_mesa_dst_reg dst;
+ if (i == statevar->num_elements) {
+ /* We'll set the index later. */
+ storage = new(mem_ctx) variable_storage(ir, PROGRAM_STATE_VAR, -1);
+ this->variables.push_tail(storage);
+
+ dst = ir_to_mesa_undef_dst;
+ } else {
+ storage = new(mem_ctx) variable_storage(ir, PROGRAM_TEMPORARY,
+ this->next_temp);
+ this->variables.push_tail(storage);
+ this->next_temp += type_size(ir->type);
+
+ dst = ir_to_mesa_dst_reg_from_src(ir_to_mesa_src_reg(PROGRAM_TEMPORARY,
+ storage->index,
+ NULL));
+ }
+
+
+ for (int a = 0; a < array_count; a++) {
+ for (unsigned int i = 0; i < statevar->num_elements; i++) {
+ struct statevar_element *element = &statevar->elements[i];
+ int tokens[STATE_LENGTH];
+
+ memcpy(tokens, element->tokens, sizeof(element->tokens));
+ if (ir->type->is_array()) {
+ tokens[1] = a;
+ }
+
+ int index = _mesa_add_state_reference(this->prog->Parameters,
+ (gl_state_index *)tokens);
+
+ if (storage->file == PROGRAM_STATE_VAR) {
+ if (storage->index == -1) {
+ storage->index = index;
+ } else {
+ assert(index == (storage->index +
+ a * statevar->num_elements + i));
+ }
+ } else {
+ ir_to_mesa_src_reg src(PROGRAM_STATE_VAR, index, NULL);
+ src.swizzle = element->swizzle;
+ ir_to_mesa_emit_op1(ir, OPCODE_MOV, dst, src);
+ /* even a float takes up a whole vec4 reg in a struct/array. */
+ dst.index++;
+ }
+ }
+ }
+ if (storage->file == PROGRAM_TEMPORARY &&
+ dst.index != storage->index + type_size(ir->type)) {
+ fail_link(this->shader_program,
+ "failed to load builtin uniform `%s' (%d/%d regs loaded)\n",
+ ir->name, dst.index - storage->index,
+ type_size(ir->type));
+ }
+ }
}
void
this->result = src_reg;
}
-static const struct {
- const char *name;
- const char *field;
- int tokens[STATE_LENGTH];
- int swizzle;
- bool array_indexed;
-} statevars[] = {
- {"gl_DepthRange", "near",
- {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_XXXX, false},
- {"gl_DepthRange", "far",
- {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_YYYY, false},
- {"gl_DepthRange", "diff",
- {STATE_DEPTH_RANGE, 0, 0}, SWIZZLE_ZZZZ, false},
-
- {"gl_ClipPlane", NULL,
- {STATE_CLIPPLANE, 0, 0}, SWIZZLE_XYZW, true}
-,
- {"gl_Point", "size",
- {STATE_POINT_SIZE}, SWIZZLE_XXXX, false},
- {"gl_Point", "sizeMin",
- {STATE_POINT_SIZE}, SWIZZLE_YYYY, false},
- {"gl_Point", "sizeMax",
- {STATE_POINT_SIZE}, SWIZZLE_ZZZZ, false},
- {"gl_Point", "fadeThresholdSize",
- {STATE_POINT_SIZE}, SWIZZLE_WWWW, false},
- {"gl_Point", "distanceConstantAttenuation",
- {STATE_POINT_ATTENUATION}, SWIZZLE_XXXX, false},
- {"gl_Point", "distanceLinearAttenuation",
- {STATE_POINT_ATTENUATION}, SWIZZLE_YYYY, false},
- {"gl_Point", "distanceQuadraticAttenuation",
- {STATE_POINT_ATTENUATION}, SWIZZLE_ZZZZ, false},
-
- {"gl_FrontMaterial", "emission",
- {STATE_MATERIAL, 0, STATE_EMISSION}, SWIZZLE_XYZW, false},
- {"gl_FrontMaterial", "ambient",
- {STATE_MATERIAL, 0, STATE_AMBIENT}, SWIZZLE_XYZW, false},
- {"gl_FrontMaterial", "diffuse",
- {STATE_MATERIAL, 0, STATE_DIFFUSE}, SWIZZLE_XYZW, false},
- {"gl_FrontMaterial", "specular",
- {STATE_MATERIAL, 0, STATE_SPECULAR}, SWIZZLE_XYZW, false},
- {"gl_FrontMaterial", "shininess",
- {STATE_MATERIAL, 0, STATE_SHININESS}, SWIZZLE_XXXX, false},
-
- {"gl_BackMaterial", "emission",
- {STATE_MATERIAL, 1, STATE_EMISSION}, SWIZZLE_XYZW, false},
- {"gl_BackMaterial", "ambient",
- {STATE_MATERIAL, 1, STATE_AMBIENT}, SWIZZLE_XYZW, false},
- {"gl_BackMaterial", "diffuse",
- {STATE_MATERIAL, 1, STATE_DIFFUSE}, SWIZZLE_XYZW, false},
- {"gl_BackMaterial", "specular",
- {STATE_MATERIAL, 1, STATE_SPECULAR}, SWIZZLE_XYZW, false},
- {"gl_BackMaterial", "shininess",
- {STATE_MATERIAL, 1, STATE_SHININESS}, SWIZZLE_XXXX, false},
-
- {"gl_LightSource", "ambient",
- {STATE_LIGHT, 0, STATE_AMBIENT}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "diffuse",
- {STATE_LIGHT, 0, STATE_DIFFUSE}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "specular",
- {STATE_LIGHT, 0, STATE_SPECULAR}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "position",
- {STATE_LIGHT, 0, STATE_POSITION}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "halfVector",
- {STATE_LIGHT, 0, STATE_HALF_VECTOR}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "spotDirection",
- {STATE_LIGHT, 0, STATE_SPOT_DIRECTION}, SWIZZLE_XYZW, true},
- {"gl_LightSource", "spotCosCutoff",
- {STATE_LIGHT, 0, STATE_SPOT_DIRECTION}, SWIZZLE_WWWW, true},
- {"gl_LightSource", "spotCutoff",
- {STATE_LIGHT, 0, STATE_SPOT_CUTOFF}, SWIZZLE_XXXX, true},
- {"gl_LightSource", "spotExponent",
- {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_WWWW, true},
- {"gl_LightSource", "constantAttenuation",
- {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_XXXX, true},
- {"gl_LightSource", "linearAttenuation",
- {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_YYYY, true},
- {"gl_LightSource", "quadraticAttenuation",
- {STATE_LIGHT, 0, STATE_ATTENUATION}, SWIZZLE_ZZZZ, true},
-
- {"gl_LightModel", "ambient",
- {STATE_LIGHTMODEL_AMBIENT, 0}, SWIZZLE_XYZW, false},
-
- {"gl_FrontLightModelProduct", "sceneColor",
- {STATE_LIGHTMODEL_SCENECOLOR, 0}, SWIZZLE_XYZW, false},
- {"gl_BackLightModelProduct", "sceneColor",
- {STATE_LIGHTMODEL_SCENECOLOR, 1}, SWIZZLE_XYZW, false},
-
- {"gl_FrontLightProduct", "ambient",
- {STATE_LIGHTPROD, 0, 0, STATE_AMBIENT}, SWIZZLE_XYZW, true},
- {"gl_FrontLightProduct", "diffuse",
- {STATE_LIGHTPROD, 0, 0, STATE_DIFFUSE}, SWIZZLE_XYZW, true},
- {"gl_FrontLightProduct", "specular",
- {STATE_LIGHTPROD, 0, 0, STATE_SPECULAR}, SWIZZLE_XYZW, true},
-
- {"gl_BackLightProduct", "ambient",
- {STATE_LIGHTPROD, 0, 1, STATE_AMBIENT}, SWIZZLE_XYZW, true},
- {"gl_BackLightProduct", "diffuse",
- {STATE_LIGHTPROD, 0, 1, STATE_DIFFUSE}, SWIZZLE_XYZW, true},
- {"gl_BackLightProduct", "specular",
- {STATE_LIGHTPROD, 0, 1, STATE_SPECULAR}, SWIZZLE_XYZW, true},
-
- {"gl_TextureEnvColor", NULL,
- {STATE_TEXENV_COLOR, 0}, SWIZZLE_XYZW, true},
-
- {"gl_EyePlaneS", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_S}, SWIZZLE_XYZW, true},
- {"gl_EyePlaneT", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_T}, SWIZZLE_XYZW, true},
- {"gl_EyePlaneR", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_R}, SWIZZLE_XYZW, true},
- {"gl_EyePlaneQ", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_EYE_Q}, SWIZZLE_XYZW, true},
-
- {"gl_ObjectPlaneS", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_S}, SWIZZLE_XYZW, true},
- {"gl_ObjectPlaneT", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_T}, SWIZZLE_XYZW, true},
- {"gl_ObjectPlaneR", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_R}, SWIZZLE_XYZW, true},
- {"gl_ObjectPlaneQ", NULL,
- {STATE_TEXGEN, 0, STATE_TEXGEN_OBJECT_Q}, SWIZZLE_XYZW, true},
-
- {"gl_Fog", "color",
- {STATE_FOG_COLOR}, SWIZZLE_XYZW, false},
- {"gl_Fog", "density",
- {STATE_FOG_PARAMS}, SWIZZLE_XXXX, false},
- {"gl_Fog", "start",
- {STATE_FOG_PARAMS}, SWIZZLE_YYYY, false},
- {"gl_Fog", "end",
- {STATE_FOG_PARAMS}, SWIZZLE_ZZZZ, false},
- {"gl_Fog", "scale",
- {STATE_FOG_PARAMS}, SWIZZLE_WWWW, false},
-};
-
-static ir_to_mesa_src_reg
-get_builtin_uniform_reg(struct gl_program *prog,
- const char *name, int array_index, const char *field)
-{
- unsigned int i;
- ir_to_mesa_src_reg src_reg;
- int tokens[STATE_LENGTH];
-
- for (i = 0; i < Elements(statevars); i++) {
- if (strcmp(statevars[i].name, name) != 0)
- continue;
- if (!field && statevars[i].field) {
- assert(!"FINISHME: whole-structure state var dereference");
- }
- if (field && (!statevars[i].field || strcmp(statevars[i].field, field) != 0))
- continue;
- break;
- }
-
- if (i == Elements(statevars)) {
- printf("builtin uniform %s%s%s not found\n",
- name,
- field ? "." : "",
- field ? field : "");
- abort();
- }
-
- memcpy(&tokens, statevars[i].tokens, sizeof(tokens));
- if (statevars[i].array_indexed)
- tokens[1] = array_index;
-
- src_reg.file = PROGRAM_STATE_VAR;
- src_reg.index = _mesa_add_state_reference(prog->Parameters,
- (gl_state_index *)tokens);
- src_reg.swizzle = statevars[i].swizzle;
- src_reg.negate = 0;
- src_reg.reladdr = false;
-
- return src_reg;
-}
-
-static int
-add_matrix_ref(struct gl_program *prog, int *tokens)
-{
- int base_pos = -1;
- int i;
-
- /* Add a ref for each column. It looks like the reason we do
- * it this way is that _mesa_add_state_reference doesn't work
- * for things that aren't vec4s, so the tokens[2]/tokens[3]
- * range has to be equal.
- */
- for (i = 0; i < 4; i++) {
- tokens[2] = i;
- tokens[3] = i;
- int pos = _mesa_add_state_reference(prog->Parameters,
- (gl_state_index *)tokens);
- if (base_pos == -1)
- base_pos = pos;
- else
- assert(base_pos + i == pos);
- }
-
- return base_pos;
-}
-
-static variable_storage *
-get_builtin_matrix_ref(void *mem_ctx, struct gl_program *prog, ir_variable *var,
- ir_rvalue *array_index)
-{
- /*
- * NOTE: The ARB_vertex_program extension specified that matrices get
- * loaded in registers in row-major order. With GLSL, we want column-
- * major order. So, we need to transpose all matrices here...
- */
- static const struct {
- const char *name;
- int matrix;
- int modifier;
- } matrices[] = {
- { "gl_ModelViewMatrix", STATE_MODELVIEW_MATRIX, STATE_MATRIX_TRANSPOSE },
- { "gl_ModelViewMatrixInverse", STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVTRANS },
- { "gl_ModelViewMatrixTranspose", STATE_MODELVIEW_MATRIX, 0 },
- { "gl_ModelViewMatrixInverseTranspose", STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVERSE },
-
- { "gl_ProjectionMatrix", STATE_PROJECTION_MATRIX, STATE_MATRIX_TRANSPOSE },
- { "gl_ProjectionMatrixInverse", STATE_PROJECTION_MATRIX, STATE_MATRIX_INVTRANS },
- { "gl_ProjectionMatrixTranspose", STATE_PROJECTION_MATRIX, 0 },
- { "gl_ProjectionMatrixInverseTranspose", STATE_PROJECTION_MATRIX, STATE_MATRIX_INVERSE },
-
- { "gl_ModelViewProjectionMatrix", STATE_MVP_MATRIX, STATE_MATRIX_TRANSPOSE },
- { "gl_ModelViewProjectionMatrixInverse", STATE_MVP_MATRIX, STATE_MATRIX_INVTRANS },
- { "gl_ModelViewProjectionMatrixTranspose", STATE_MVP_MATRIX, 0 },
- { "gl_ModelViewProjectionMatrixInverseTranspose", STATE_MVP_MATRIX, STATE_MATRIX_INVERSE },
-
- { "gl_TextureMatrix", STATE_TEXTURE_MATRIX, STATE_MATRIX_TRANSPOSE },
- { "gl_TextureMatrixInverse", STATE_TEXTURE_MATRIX, STATE_MATRIX_INVTRANS },
- { "gl_TextureMatrixTranspose", STATE_TEXTURE_MATRIX, 0 },
- { "gl_TextureMatrixInverseTranspose", STATE_TEXTURE_MATRIX, STATE_MATRIX_INVERSE },
-
- { "gl_NormalMatrix", STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVERSE },
-
- };
- unsigned int i;
- variable_storage *entry;
-
- /* C++ gets angry when we try to use an int as a gl_state_index, so we use
- * ints for gl_state_index. Make sure they're compatible.
- */
- assert(sizeof(gl_state_index) == sizeof(int));
-
- for (i = 0; i < Elements(matrices); i++) {
- if (strcmp(var->name, matrices[i].name) == 0) {
- int tokens[STATE_LENGTH];
- int base_pos = -1;
-
- tokens[0] = matrices[i].matrix;
- tokens[4] = matrices[i].modifier;
- if (matrices[i].matrix == STATE_TEXTURE_MATRIX) {
- ir_constant *index = array_index->constant_expression_value();
- if (index) {
- tokens[1] = index->value.i[0];
- base_pos = add_matrix_ref(prog, tokens);
- } else {
- for (i = 0; i < var->type->length; i++) {
- tokens[1] = i;
- int pos = add_matrix_ref(prog, tokens);
- if (base_pos == -1)
- base_pos = pos;
- else
- assert(base_pos + (int)i * 4 == pos);
- }
- }
- } else {
- tokens[1] = 0; /* unused array index */
- base_pos = add_matrix_ref(prog, tokens);
- }
-
- entry = new(mem_ctx) variable_storage(var,
- PROGRAM_STATE_VAR,
- base_pos);
-
- return entry;
- }
- }
-
- return NULL;
-}
-
void
ir_to_mesa_visitor::visit(ir_dereference_variable *ir)
{
if (!entry) {
switch (ir->var->mode) {
case ir_var_uniform:
- entry = get_builtin_matrix_ref(this->mem_ctx, this->prog, ir->var,
- NULL);
- if (entry)
- break;
-
entry = new(mem_ctx) variable_storage(ir->var, PROGRAM_UNIFORM,
ir->var->location);
this->variables.push_tail(entry);
void
ir_to_mesa_visitor::visit(ir_dereference_array *ir)
{
- ir_variable *var = ir->variable_referenced();
ir_constant *index;
ir_to_mesa_src_reg src_reg;
- ir_dereference_variable *deref_var = ir->array->as_dereference_variable();
int element_size = type_size(ir->type);
index = ir->array_index->constant_expression_value();
- if (deref_var && strncmp(deref_var->var->name,
- "gl_TextureMatrix",
- strlen("gl_TextureMatrix")) == 0) {
- variable_storage *entry;
-
- entry = get_builtin_matrix_ref(this->mem_ctx, this->prog, deref_var->var,
- ir->array_index);
- assert(entry);
-
- ir_to_mesa_src_reg src_reg(entry->file, entry->index, ir->type);
-
- if (index) {
- src_reg.reladdr = NULL;
- } else {
- ir_to_mesa_src_reg index_reg = get_temp(glsl_type::float_type);
-
- ir->array_index->accept(this);
- ir_to_mesa_emit_op2(ir, OPCODE_MUL,
- ir_to_mesa_dst_reg_from_src(index_reg),
- this->result, src_reg_for_float(element_size));
-
- src_reg.reladdr = talloc(mem_ctx, ir_to_mesa_src_reg);
- memcpy(src_reg.reladdr, &index_reg, sizeof(index_reg));
- }
-
- this->result = src_reg;
- return;
- }
-
- if (var &&
- strncmp(var->name, "gl_", 3) == 0 && var->mode == ir_var_uniform &&
- !var->type->is_matrix()) {
- ir_dereference_record *record = NULL;
- if (ir->array->ir_type == ir_type_dereference_record)
- record = (ir_dereference_record *)ir->array;
-
- assert(index || !"FINISHME: variable-indexed builtin uniform access");
-
- this->result = get_builtin_uniform_reg(prog,
- var->name,
- index->value.i[0],
- record ? record->field : NULL);
- }
-
ir->array->accept(this);
src_reg = this->result;
unsigned int i;
const glsl_type *struct_type = ir->record->type;
int offset = 0;
- ir_variable *var = ir->record->variable_referenced();
-
- if (strncmp(var->name, "gl_", 3) == 0 && var->mode == ir_var_uniform) {
- assert(var);
-
- this->result = get_builtin_uniform_reg(prog,
- var->name,
- 0,
- ir->field);
- return;
- }
ir->record->accept(this);
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