From 5ad74779cea07cc6a19a52874cdaef8b018e2f1b Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 1 Sep 2010 16:06:32 -0700 Subject: ir_to_mesa: Load all the STATE_VAR elements of a builtin uniform to a temp. Like the constant handling and the handling of other uniforms, we add the whole thing to the Parameters, avoiding messy, incomplete logic for adding just the elements of a builting uniform that get used. This means that a driver that relies only on ParameterValues[] for its parameters will have an increased parameter load, but drivers generally don't do that (since they have other params they need to handle, too). Fixes glsl-fs-statevar-call (testcase for Ember). Bug #29687. Regresses glsl-vs-array-04 on 965. Thanks to a slight change in register allocation, this test of undefined behavior now wraps around the register space and unexpectedly reads the constant value it's trying to compare to. The test should probably not look at the resulting color, since behavior is undefined. --- src/mesa/program/ir_to_mesa.cpp | 636 ++++++++++++++++++---------------------- 1 file changed, 291 insertions(+), 345 deletions(-) (limited to 'src') diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index 2b833702e94..b2ba9a2fbcc 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -577,6 +577,239 @@ ir_to_mesa_visitor::find_variable_storage(ir_variable *var) 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 struct { + const char *name; + struct statevar_element *elements; + 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) { @@ -586,6 +819,64 @@ 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; + + struct variable_storage *entry; + entry = new(mem_ctx) variable_storage(ir, PROGRAM_TEMPORARY, + this->next_temp); + this->variables.push_tail(entry); + this->next_temp += type_size(ir->type); + + 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; + } + + ir_to_mesa_dst_reg dst = + ir_to_mesa_dst_reg_from_src(ir_to_mesa_src_reg(PROGRAM_TEMPORARY, + entry->index, NULL)); + + int array_count; + if (ir->type->is_array()) { + array_count = ir->type->length; + } else { + array_count = 1; + } + + for (int a = 0; a < array_count; a++) { + for (int j = 0; j < statevars[i].num_elements; j++) { + struct statevar_element *element = &statevars[i].elements[j]; + 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); + 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 (dst.index != entry->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 - entry->index, + type_size(ir->type)); + } + } } void @@ -1016,289 +1307,6 @@ ir_to_mesa_visitor::visit(ir_swizzle *ir) 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) { @@ -1307,11 +1315,6 @@ 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); @@ -1370,58 +1373,12 @@ ir_to_mesa_visitor::visit(ir_dereference_variable *ir) 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; @@ -1466,17 +1423,6 @@ ir_to_mesa_visitor::visit(ir_dereference_record *ir) 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); -- cgit v1.2.3