diff options
Diffstat (limited to 'src/mesa/shader/slang/slang_builtin.c')
-rw-r--r-- | src/mesa/shader/slang/slang_builtin.c | 224 |
1 files changed, 208 insertions, 16 deletions
diff --git a/src/mesa/shader/slang/slang_builtin.c b/src/mesa/shader/slang/slang_builtin.c index c0f4c79e13..bef0f85653 100644 --- a/src/mesa/shader/slang/slang_builtin.c +++ b/src/mesa/shader/slang/slang_builtin.c @@ -85,7 +85,7 @@ lookup_statevar(const char *var, GLint index1, GLint index2, const char *field, { "gl_TextureMatrixTranspose", STATE_TEXTURE_MATRIX, 0 }, { "gl_TextureMatrixInverseTranspose", STATE_TEXTURE_MATRIX, STATE_MATRIX_INVERSE }, - { "gl_NormalMatrix", STATE_MODELVIEW_MATRIX, STATE_MATRIX_TRANSPOSE }, + { "gl_NormalMatrix", STATE_MODELVIEW_MATRIX, STATE_MATRIX_INVERSE }, { NULL, 0, 0 } }; @@ -111,10 +111,9 @@ lookup_statevar(const char *var, GLint index1, GLint index2, const char *field, if (isMatrix) { if (tokens[0] == STATE_TEXTURE_MATRIX) { - if (index1 >= 0) { - tokens[1] = index1; /* which texture matrix */ - index1 = 0; /* prevent extra addition at end of function */ - } + /* texture_matrix[index1][index2] */ + tokens[1] = index1 >= 0 ? index1 : 0; /* which texture matrix */ + index1 = index2; /* move matrix row value to index1 */ } if (index1 < 0) { /* index1 is unused: prevent extra addition at end of function */ @@ -437,7 +436,7 @@ emit_statevars(const char *name, int array_len, struct gl_program_parameter_list *paramList) { if (type->type == SLANG_SPEC_ARRAY) { - GLint i, pos; + GLint i, pos = -1; assert(array_len > 0); if (strcmp(name, "gl_ClipPlane") == 0) { tokens[0] = STATE_CLIPPLANE; @@ -457,28 +456,36 @@ emit_statevars(const char *name, int array_len, tokens[0] = STATE_TEXENV_COLOR; } else if (strcmp(name, "gl_EyePlaneS") == 0) { - tokens[0] = STATE_TEXGEN_EYE_S; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_EYE_S; } else if (strcmp(name, "gl_EyePlaneT") == 0) { - tokens[0] = STATE_TEXGEN_EYE_T; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_EYE_T; } else if (strcmp(name, "gl_EyePlaneR") == 0) { - tokens[0] = STATE_TEXGEN_EYE_R; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_EYE_R; } else if (strcmp(name, "gl_EyePlaneQ") == 0) { - tokens[0] = STATE_TEXGEN_EYE_Q; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_EYE_Q; } else if (strcmp(name, "gl_ObjectPlaneS") == 0) { - tokens[0] = STATE_TEXGEN_OBJECT_S; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_OBJECT_S; } else if (strcmp(name, "gl_ObjectPlaneT") == 0) { - tokens[0] = STATE_TEXGEN_OBJECT_T; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_OBJECT_T; } else if (strcmp(name, "gl_ObjectPlaneR") == 0) { - tokens[0] = STATE_TEXGEN_OBJECT_R; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_OBJECT_R; } else if (strcmp(name, "gl_ObjectPlaneQ") == 0) { - tokens[0] = STATE_TEXGEN_OBJECT_Q; + tokens[0] = STATE_TEXGEN; + tokens[2] = STATE_TEXGEN_OBJECT_Q; } else { return -1; /* invalid array name */ @@ -494,7 +501,7 @@ emit_statevars(const char *name, int array_len, } else if (type->type == SLANG_SPEC_STRUCT) { const slang_variable_scope *fields = type->_struct->fields; - GLuint i, pos; + GLuint i, pos = 0; for (i = 0; i < fields->num_variables; i++) { const slang_variable *var = fields->variables[i]; GLint p = emit_statevars(var->a_name, 0, &var->type.specifier, @@ -674,7 +681,9 @@ _slang_alloc_statevar(slang_ir_node *n, if (n->Opcode == IR_ELEMENT) { /* XXX can only handle constant indexes for now */ if (n->Children[1]->Opcode == IR_FLOAT) { - index2 = (GLint) n->Children[1]->Value[0]; + /* two-dimensional array index: mat[i][j] */ + index2 = index1; + index1 = (GLint) n->Children[1]->Value[0]; } else { *direct = GL_FALSE; @@ -701,3 +710,186 @@ _slang_alloc_statevar(slang_ir_node *n, *direct = GL_FALSE; return alloc_state_var_array(n->Var, paramList); } + + + + +#define SWIZZLE_ZWWW MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W) + + +/** Predefined shader inputs */ +struct input_info +{ + const char *Name; + GLuint Attrib; + GLenum Type; + GLuint Swizzle; +}; + +/** Predefined vertex shader inputs/attributes */ +static const struct input_info vertInputs[] = { + { "gl_Vertex", VERT_ATTRIB_POS, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_Normal", VERT_ATTRIB_NORMAL, GL_FLOAT_VEC3, SWIZZLE_NOOP }, + { "gl_Color", VERT_ATTRIB_COLOR0, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_SecondaryColor", VERT_ATTRIB_COLOR1, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_FogCoord", VERT_ATTRIB_FOG, GL_FLOAT, SWIZZLE_XXXX }, + { "gl_MultiTexCoord0", VERT_ATTRIB_TEX0, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord1", VERT_ATTRIB_TEX1, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord2", VERT_ATTRIB_TEX2, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord3", VERT_ATTRIB_TEX3, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord4", VERT_ATTRIB_TEX4, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord5", VERT_ATTRIB_TEX5, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord6", VERT_ATTRIB_TEX6, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_MultiTexCoord7", VERT_ATTRIB_TEX7, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { NULL, 0, SWIZZLE_NOOP } +}; + +/** Predefined fragment shader inputs */ +static const struct input_info fragInputs[] = { + { "gl_FragCoord", FRAG_ATTRIB_WPOS, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_Color", FRAG_ATTRIB_COL0, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_SecondaryColor", FRAG_ATTRIB_COL1, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + { "gl_TexCoord", FRAG_ATTRIB_TEX0, GL_FLOAT_VEC4, SWIZZLE_NOOP }, + /* note: we're packing several quantities into the fogcoord vector */ + { "gl_FogFragCoord", FRAG_ATTRIB_FOGC, GL_FLOAT, SWIZZLE_XXXX }, + { "gl_FrontFacing", FRAG_ATTRIB_FACE, GL_FLOAT, SWIZZLE_XXXX }, + { "gl_PointCoord", FRAG_ATTRIB_PNTC, GL_FLOAT_VEC2, SWIZZLE_XYZW }, + { NULL, 0, SWIZZLE_NOOP } +}; + + +/** + * Return the VERT_ATTRIB_* or FRAG_ATTRIB_* value that corresponds to + * a vertex or fragment program input variable. Return -1 if the input + * name is invalid. + * XXX return size too + */ +GLint +_slang_input_index(const char *name, GLenum target, GLuint *swizzleOut) +{ + const struct input_info *inputs; + GLuint i; + + switch (target) { + case GL_VERTEX_PROGRAM_ARB: + inputs = vertInputs; + break; + case GL_FRAGMENT_PROGRAM_ARB: + inputs = fragInputs; + break; + /* XXX geom program */ + default: + _mesa_problem(NULL, "bad target in _slang_input_index"); + return -1; + } + + ASSERT(MAX_TEXTURE_COORD_UNITS == 8); /* if this fails, fix vertInputs above */ + + for (i = 0; inputs[i].Name; i++) { + if (strcmp(inputs[i].Name, name) == 0) { + /* found */ + *swizzleOut = inputs[i].Swizzle; + return inputs[i].Attrib; + } + } + return -1; +} + + +/** + * Return name of the given vertex attribute (VERT_ATTRIB_x). + */ +const char * +_slang_vert_attrib_name(GLuint attrib) +{ + GLuint i; + assert(attrib < VERT_ATTRIB_GENERIC0); + for (i = 0; vertInputs[i].Name; i++) { + if (vertInputs[i].Attrib == attrib) + return vertInputs[i].Name; + } + return NULL; +} + + +/** + * Return type (GL_FLOAT, GL_FLOAT_VEC2, etc) of the given vertex + * attribute (VERT_ATTRIB_x). + */ +GLenum +_slang_vert_attrib_type(GLuint attrib) +{ + GLuint i; + assert(attrib < VERT_ATTRIB_GENERIC0); + for (i = 0; vertInputs[i].Name; i++) { + if (vertInputs[i].Attrib == attrib) + return vertInputs[i].Type; + } + return GL_NONE; +} + + + + + +/** Predefined shader output info */ +struct output_info +{ + const char *Name; + GLuint Attrib; +}; + +/** Predefined vertex shader outputs */ +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 }, + { "gl_FogFragCoord", VERT_RESULT_FOGC }, + { "gl_PointSize", VERT_RESULT_PSIZ }, + { NULL, 0 } +}; + +/** Predefined fragment shader outputs */ +static const struct output_info fragOutputs[] = { + { "gl_FragColor", FRAG_RESULT_COLOR }, + { "gl_FragDepth", FRAG_RESULT_DEPTH }, + { "gl_FragData", FRAG_RESULT_DATA0 }, + { NULL, 0 } +}; + + +/** + * Return the VERT_RESULT_* or FRAG_RESULT_* value that corresponds to + * a vertex or fragment program output variable. Return -1 for an invalid + * output name. + */ +GLint +_slang_output_index(const char *name, GLenum target) +{ + const struct output_info *outputs; + GLuint i; + + switch (target) { + case GL_VERTEX_PROGRAM_ARB: + outputs = vertOutputs; + break; + case GL_FRAGMENT_PROGRAM_ARB: + outputs = fragOutputs; + break; + /* XXX geom program */ + default: + _mesa_problem(NULL, "bad target in _slang_output_index"); + return -1; + } + + for (i = 0; outputs[i].Name; i++) { + if (strcmp(outputs[i].Name, name) == 0) { + /* found */ + return outputs[i].Attrib; + } + } + return -1; +} |