diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_codegen.c')
-rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 176 |
1 files changed, 169 insertions, 7 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 90d17122b6..73ad20a73d 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -1630,12 +1630,89 @@ sampler_to_texture_index(const slang_type_specifier_type type) } +/** + * XXX return size too + */ +static GLint +_slang_input_index(const char *name, GLenum target) +{ + struct input_info { + const char *Name; + GLuint Attrib; + }; + static const struct input_info vertInputs[] = { + { "gl_Vertex", VERT_ATTRIB_POS }, + { "gl_Normal", VERT_ATTRIB_NORMAL }, + { "gl_Color", VERT_ATTRIB_COLOR0 }, + { "gl_SecondaryColor", VERT_ATTRIB_COLOR1 }, + { "gl_FogCoord", VERT_ATTRIB_FOG }, + { "gl_MultiTexCoord0", VERT_ATTRIB_TEX0 }, + { "gl_MultiTexCoord1", VERT_ATTRIB_TEX1 }, + { "gl_MultiTexCoord2", VERT_ATTRIB_TEX2 }, + { "gl_MultiTexCoord3", VERT_ATTRIB_TEX3 }, + { "gl_MultiTexCoord4", VERT_ATTRIB_TEX4 }, + { "gl_MultiTexCoord5", VERT_ATTRIB_TEX5 }, + { "gl_MultiTexCoord6", VERT_ATTRIB_TEX6 }, + { "gl_MultiTexCoord7", VERT_ATTRIB_TEX7 }, + { NULL, 0 } + }; + static const struct input_info fragInputs[] = { + { "gl_FragCoord", FRAG_ATTRIB_WPOS }, + { "gl_Color", FRAG_ATTRIB_COL0 }, + { "gl_SecondaryColor", FRAG_ATTRIB_COL1 }, + { "gl_FogFragCoord", FRAG_ATTRIB_FOGC }, + { "gl_TexCoord", FRAG_ATTRIB_TEX0 }, + { NULL, 0 } + }; + GLuint i; + const struct input_info *inputs + = (target == GL_VERTEX_PROGRAM_ARB) ? vertInputs : fragInputs; + + for (i = 0; inputs[i].Name; i++) { + if (strcmp(inputs[i].Name, name) == 0) { + /* found */ + return inputs[i].Attrib; + } + } + return -1; +} + + static GLint -slang_alloc_sampler(struct gl_program *prog, const char *name) +_slang_output_index(const char *name, GLenum target) { - GLint i = _mesa_add_sampler(prog->Parameters, name); - return i; + struct output_info { + const char *Name; + GLuint Attrib; + }; + static const struct output_info vertOutputs[] = { + { "gl_Position", VERT_RESULT_HPOS }, + { "gl_FrontColor", VERT_RESULT_COL0 }, + { "gl_BackColor", VERT_RESULT_BFC0 }, + { "gl_FrontSecondaryColor", VERT_RESULT_COL1 }, + { "gl_BackSecondaryColor", VERT_RESULT_BFC1 }, + { "gl_TexCoord", VERT_RESULT_TEX0 }, /* XXX indexed */ + { "gl_FogFragCoord", VERT_RESULT_FOGC }, + { "gl_PointSize", VERT_RESULT_PSIZ }, + { NULL, 0 } + }; + static const struct output_info fragOutputs[] = { + { "gl_FragColor", FRAG_RESULT_COLR }, + { "gl_FragDepth", FRAG_RESULT_DEPR }, + { NULL, 0 } + }; + GLuint i; + const struct output_info *outputs + = (target == GL_VERTEX_PROGRAM_ARB) ? vertOutputs : fragOutputs; + + for (i = 0; outputs[i].Name; i++) { + if (strcmp(outputs[i].Name, name) == 0) { + /* found */ + return outputs[i].Attrib; + } + } + return -1; } @@ -1653,8 +1730,10 @@ slang_alloc_sampler(struct gl_program *prog, const char *name) * actual texture unit (as specified by the user calling glUniform1i()). */ void -_slang_codegen_global_variable(slang_variable *var, struct gl_program *prog) +_slang_codegen_global_variable(slang_variable *var, struct gl_program *prog, + slang_unit_type type) { + const char *varName = (char *) var->a_name; GLint texIndex; slang_ir_storage *store = NULL; @@ -1666,15 +1745,98 @@ _slang_codegen_global_variable(slang_variable *var, struct gl_program *prog) * store->Index = sampler uniform location * store->Size = texture type index (1D, 2D, 3D, cube, etc) */ - GLint samplerUniform = slang_alloc_sampler(prog, (char *) var->a_name); + GLint samplerUniform = _mesa_add_sampler(prog->Parameters, varName); store = _slang_new_ir_storage(PROGRAM_SAMPLER, samplerUniform, texIndex); printf("SAMPLER "); } else if (var->type.qualifier == slang_qual_uniform) { + /* Uniform variable */ + const GLint size = _slang_sizeof_type_specifier(&var->type.specifier); + if (prog) { + /* user-defined uniform */ + GLint uniformLoc = _mesa_add_uniform(prog->Parameters, varName, size); + store = _slang_new_ir_storage(PROGRAM_UNIFORM, uniformLoc, size); + } + else { + /* pre-defined uniform, like gl_ModelviewMatrix */ + /* We know it's a uniform, but don't allocate storage unless + * it's really used. + */ + + store = _slang_new_ir_storage(PROGRAM_STATE_VAR, -1, size); + + } printf("UNIFORM "); } - - printf("CODEGEN VAR %s\n", (char*) var->a_name); + else if (var->type.qualifier == slang_qual_varying) { + const GLint size = 4; /* XXX fix */ + if (prog) { + /* user-defined varying */ + GLint varyingLoc = _mesa_add_varying(prog->Varying, varName, size); + store = _slang_new_ir_storage(PROGRAM_VARYING, varyingLoc, size); + } + else { + /* pre-defined varying, like gl_Color or gl_TexCoord */ + if (type == slang_unit_fragment_builtin) { + GLint index = _slang_input_index(varName, GL_FRAGMENT_PROGRAM_ARB); + assert(index >= 0); + store = _slang_new_ir_storage(PROGRAM_INPUT, index, size); + assert(index < FRAG_ATTRIB_MAX); + } + else { + GLint index = _slang_output_index(varName, GL_VERTEX_PROGRAM_ARB); + assert(index >= 0); + assert(type == slang_unit_vertex_builtin); + store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size); + assert(index < VERT_RESULT_MAX); + } + printf("V/F "); + } + printf("VARYING "); + } + else if (var->type.qualifier == slang_qual_const) { + if (prog) { + abort(); + } + else { + /* pre-defined global constant, like gl_MaxLights */ + GLint size = -1; + store = _slang_new_ir_storage(PROGRAM_CONSTANT, -1, size); + } + printf("CONST "); + } + else if (var->type.qualifier == slang_qual_attribute) { + /* Vertex attribute */ + GLint index = _slang_input_index(varName, GL_VERTEX_PROGRAM_ARB); + GLint size = 4; /* XXX? */ + assert(index >= 0); + store = _slang_new_ir_storage(PROGRAM_INPUT, index, size); + printf("ATTRIB "); + } + else if (var->type.qualifier == slang_qual_fixedinput) { + GLint index = _slang_input_index(varName, GL_FRAGMENT_PROGRAM_ARB); + GLint size = 4; /* XXX? */ + store = _slang_new_ir_storage(PROGRAM_INPUT, index, size); + printf("INPUT "); + } + else if (var->type.qualifier == slang_qual_fixedoutput) { + if (type == slang_unit_vertex_builtin) { + GLint index = _slang_output_index(varName, GL_VERTEX_PROGRAM_ARB); + GLint size = 4; /* XXX? */ + store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size); + } + else { + assert(type == slang_unit_fragment_builtin); + GLint index = _slang_output_index(varName, GL_FRAGMENT_PROGRAM_ARB); + GLint size = 4; /* XXX? */ + store = _slang_new_ir_storage(PROGRAM_OUTPUT, index, size); + } + printf("OUTPUT "); + } + else { + printf("other "); + } + printf("GLOBAL VAR %s idx %d\n", (char*) var->a_name, store?store->Index:-2); assert(!var->aux); #if 1 |