diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/shader/slang/slang_analyse.c | 100 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_analyse.h | 50 | ||||
| -rw-r--r-- | src/mesa/shader/slang/slang_link.c | 871 |
3 files changed, 0 insertions, 1021 deletions
diff --git a/src/mesa/shader/slang/slang_analyse.c b/src/mesa/shader/slang/slang_analyse.c deleted file mode 100644 index fe48a670eeb..00000000000 --- a/src/mesa/shader/slang/slang_analyse.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file slang_analyse.c - * slang assembly code analysis - * \author Michal Krol - */ - -#include "imports.h" -#include "slang_analyse.h" -#include "slang_utility.h" - -GLboolean _slang_analyse_texture_usage (slang_program *prog) -{ - GLuint i, count = 0; - - _slang_texture_usages_dtr (&prog->texture_usage); - _slang_texture_usages_ctr (&prog->texture_usage); - - /* - * We could do a full code analysis to find out which uniforms are actually used. - * For now, we are very conservative and extract them from uniform binding table, which - * in turn also do not come from code analysis. - */ - - for (i = 0; i < prog->uniforms.count; i++) - { - slang_uniform_binding *b = &prog->uniforms.table[i]; - - if (b->address[SLANG_SHADER_FRAGMENT] != ~0 && !slang_export_data_quant_struct (b->quant)) - { - switch (slang_export_data_quant_type (b->quant)) - { - case GL_SAMPLER_1D_ARB: - case GL_SAMPLER_2D_ARB: - case GL_SAMPLER_3D_ARB: - case GL_SAMPLER_CUBE_ARB: - case GL_SAMPLER_1D_SHADOW_ARB: - case GL_SAMPLER_2D_SHADOW_ARB: - count++; - break; - } - } - } - - if (count == 0) - return GL_TRUE; - prog->texture_usage.table = (slang_texture_usage *) slang_alloc_malloc ( - count * sizeof (slang_texture_usage)); - if (prog->texture_usage.table == NULL) - return GL_FALSE; - prog->texture_usage.count = count; - - for (count = i = 0; i < prog->uniforms.count; i++) - { - slang_uniform_binding *b = &prog->uniforms.table[i]; - - if (b->address[SLANG_SHADER_FRAGMENT] != ~0 && !slang_export_data_quant_struct (b->quant)) - { - switch (slang_export_data_quant_type (b->quant)) - { - case GL_SAMPLER_1D_ARB: - case GL_SAMPLER_2D_ARB: - case GL_SAMPLER_3D_ARB: - case GL_SAMPLER_CUBE_ARB: - case GL_SAMPLER_1D_SHADOW_ARB: - case GL_SAMPLER_2D_SHADOW_ARB: - prog->texture_usage.table[count].quant = b->quant; - prog->texture_usage.table[count].frag_address = b->address[SLANG_SHADER_FRAGMENT]; - count++; - break; - } - } - } - - return GL_TRUE; -} - diff --git a/src/mesa/shader/slang/slang_analyse.h b/src/mesa/shader/slang/slang_analyse.h deleted file mode 100644 index d7e39ae7ce7..00000000000 --- a/src/mesa/shader/slang/slang_analyse.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#if !defined SLANG_ANALYSE_H -#define SLANG_ANALYSE_H - -#include "slang_link.h" - -#if defined __cplusplus -extern "C" { -#endif - -/* - * Texture usage analysis is a bit more difficult than for fragment programs. While fragment - * programs statically link to texture targets and texture units, shaders statically link - * only to texture targets. The texture unit linkage is determined just before the execution - * of a given primitive by reading active uniform samplers. - * - * This procedure retrieves a list of uniforms that reach texture sample instructions. - */ - -GLboolean _slang_analyse_texture_usage (slang_program *); - -#ifdef __cplusplus -} -#endif - -#endif - diff --git a/src/mesa/shader/slang/slang_link.c b/src/mesa/shader/slang/slang_link.c deleted file mode 100644 index 8894f78088d..00000000000 --- a/src/mesa/shader/slang/slang_link.c +++ /dev/null @@ -1,871 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.6 - * - * Copyright (C) 2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file slang_link.c - * slang linker - * \author Michal Krol - */ - -#include "imports.h" -#include "slang_link.h" -#include "slang_analyse.h" - -#define TABLE_GROW(PTR,TYPE,N) \ - (PTR = (TYPE *) (slang_alloc_realloc (PTR, N * sizeof (TYPE), (N + 1) * sizeof (TYPE)))) - -/* - * Check if a given name starts with "gl_". Globals with this prefix are - * treated differently, as they are built-in variables. - */ -static GLboolean -entry_has_gl_prefix (slang_atom name, slang_atom_pool *atoms) -{ - const GLchar *str; - - str = slang_atom_pool_id (atoms, name); - return str[0] == 'g' && str[1] == 'l' && str[2] == '_'; -} - -/* - * slang_active_variables - */ - -static GLvoid -slang_active_variables_ctr (slang_active_variables *self) -{ - self->table = NULL; - self->count = 0; -} - -static GLvoid -slang_active_variables_dtr (slang_active_variables *self) -{ - GLuint i; - - for (i = 0; i < self->count; i++) - slang_alloc_free (self->table[i].name); - slang_alloc_free (self->table); -} - -/* - * Active variable queried by the application cannot be a structure. Queriable globals - * (uniforms and attributes) are decomposited into "simple" variables if they are - * "complex". - */ - -static GLboolean -add_simple_variable (slang_active_variables *self, slang_export_data_quant *q, const GLchar *name) -{ - GLuint n; - slang_active_variable *var; - - n = self->count; - if (!TABLE_GROW(self->table, slang_active_variable, n)) - return GL_FALSE; - - /* Initialize the new element. Increment table size only when it is fully initilized. */ - var = &self->table[n]; - var->quant = q; - var->name = slang_string_duplicate (name); - if (var->name == NULL) - return GL_FALSE; - self->count++; - - return GL_TRUE; -} - -static GLboolean -add_complex_variable (slang_active_variables *self, slang_export_data_quant *q, GLchar *name, - slang_atom_pool *atoms) -{ - slang_string_concat (name, slang_atom_pool_id (atoms, q->name)); - - /* If array, add only first element. */ - if (slang_export_data_quant_array (q)) - slang_string_concat (name, "[0]"); - - if (slang_export_data_quant_struct (q)) { - GLuint field_pos, fields, i; - - slang_string_concat (name, "."); - field_pos = slang_string_length (name); - - /* Break it down into individual fields. */ - fields = slang_export_data_quant_fields (q); - for (i = 0; i < fields; i++) { - if (!add_complex_variable (self, &q->structure[i], name, atoms)) - return GL_FALSE; - name[field_pos] = '\0'; - } - - return GL_TRUE; - } - - return add_simple_variable (self, q, name); -} - -/* - * Search a list of global variables with a given access (either attribute or uniform) - * and add it to the list of active variables. - */ -static GLboolean -gather_active_variables (slang_active_variables *self, slang_export_data_table *tbl, - slang_export_data_access access) -{ - GLuint i; - - for (i = 0; i < tbl->count; i++) { - if (tbl->entries[i].access == access) { - GLchar name[1024] = ""; - - if (!add_complex_variable (self, &tbl->entries[i].quant, name, tbl->atoms)) - return GL_FALSE; - } - } - - return GL_TRUE; -} - -/* - * slang_attrib_overrides - */ - -static GLvoid -slang_attrib_overrides_ctr (slang_attrib_overrides *self) -{ - self->table = NULL; - self->count = 0; -} - -static GLvoid -slang_attrib_overrides_dtr (slang_attrib_overrides *self) -{ - GLuint i; - - for (i = 0; i < self->count; i++) - slang_alloc_free (self->table[i].name); - slang_alloc_free (self->table); -} - -static slang_attrib_override * -lookup_attrib_override (slang_attrib_overrides *self, const GLchar *name) -{ - GLuint n, i; - - n = self->count; - for (i = 0; i < n; i++) { - if (slang_string_compare (name, self->table[i].name) == 0) - return &self->table[i]; - } - return NULL; -} - -GLboolean -_slang_attrib_overrides_add (slang_attrib_overrides *self, GLuint index, const GLchar *name) -{ - slang_attrib_override *ovr; - GLuint n; - - /* Attribs can be overriden multiple times. Look-up the table and replace - * its index if it is found. */ - ovr = lookup_attrib_override (self, name); - if (ovr != NULL) { - ovr->index = index; - return GL_TRUE; - } - - n = self->count; - if (!TABLE_GROW(self->table, slang_attrib_override, n)) - return GL_FALSE; - - /* Initialize the new element. Increment table size only when it is fully initilized. */ - ovr = &self->table[n]; - ovr->index = index; - ovr->name = slang_string_duplicate (name); - if (ovr->name == NULL) - return GL_FALSE; - self->count++; - - return GL_TRUE; -} - -/* - * slang_uniform_bindings - */ - -static GLvoid -slang_uniform_bindings_ctr (slang_uniform_bindings *self) -{ - self->table = NULL; - self->count = 0; -} - -static GLvoid -slang_uniform_bindings_dtr (slang_uniform_bindings *self) -{ - GLuint i; - - for (i = 0; i < self->count; i++) - slang_alloc_free (self->table[i].name); - slang_alloc_free (self->table); -} - -static GLboolean -add_simple_uniform_binding (slang_uniform_bindings *self, slang_export_data_quant *q, - const GLchar *name, GLuint index, GLuint addr) -{ - GLuint n, i; - slang_uniform_binding *bind; - - /* Uniform binding table is shared between vertex and fragment shaders. If the same uniform - * is declared both in a vertex and fragment shader, only one uniform entry is maintained. - * When add a uniform binding there can be an entry already allocated for it by the other - * shader. */ - n = self->count; - for (i = 0; i < n; i++) { - if (slang_string_compare (self->table[i].name, name) == 0) { - self->table[i].address[index] = addr; - return GL_TRUE; - } - } - - if (!TABLE_GROW(self->table, slang_uniform_binding, n)) - return GL_FALSE; - - /* Initialize the new element. Increment table size only when it is fully initilized. */ - bind = &self->table[n]; - bind->quant = q; - bind->name = slang_string_duplicate (name); - if (bind->name == NULL) - return GL_FALSE; - for (i = 0; i < SLANG_SHADER_MAX; i++) - bind->address[i] = ~0; - bind->address[index] = addr; - self->count++; - - return GL_TRUE; -} - -static GLboolean -add_complex_uniform_binding (slang_uniform_bindings *self, slang_export_data_quant *q, - GLchar *name, slang_atom_pool *atoms, GLuint index, GLuint addr) -{ - GLuint count, i; - - slang_string_concat (name, slang_atom_pool_id (atoms, q->name)); - count = slang_export_data_quant_elements (q); - - /* If array, add binding for every array element. */ - for (i = 0; i < count; i++) { - GLuint bracket_pos; - - bracket_pos = slang_string_length (name); - if (slang_export_data_quant_array (q)) - _mesa_sprintf (&name[slang_string_length (name)], "[%d]", i); - - if (slang_export_data_quant_struct (q)) { - GLuint field_pos, fields, i; - - slang_string_concat (name, "."); - field_pos = slang_string_length (name); - - /* Break it down into individual fields. */ - fields = slang_export_data_quant_fields (q); - for (i = 0; i < fields; i++) { - if (!add_complex_uniform_binding (self, &q->structure[i], name, atoms, index, addr)) - return GL_FALSE; - - name[field_pos] = '\0'; - addr += slang_export_data_quant_size (&q->structure[i]); - } - } - else { - if (!add_simple_uniform_binding (self, q, name, index, addr)) - return GL_FALSE; - - addr += slang_export_data_quant_size (q); - } - - name[bracket_pos] = '\0'; - } - - return GL_TRUE; -} - -static GLboolean -gather_uniform_bindings (slang_uniform_bindings *self, slang_export_data_table *tbl, GLuint index) -{ - GLuint n, i; - - n = tbl->count; - for (i = 0; i < n; i++) { - if (tbl->entries[i].access == slang_exp_uniform) { - GLchar name[1024] = ""; - - if (!add_complex_uniform_binding (self, &tbl->entries[i].quant, name, tbl->atoms, index, - tbl->entries[i].address)) - return GL_FALSE; - } - } - - return GL_TRUE; -} - -/* - * slang_attrib_bindings - */ - -static GLvoid -slang_attrib_bindings_ctr (slang_attrib_bindings *self) -{ - GLuint i; - - self->binding_count = 0; - for (i = 0; i < MAX_VERTEX_ATTRIBS; i++) - self->slots[i].addr = ~0; -} - -static GLvoid -slang_attrib_bindings_dtr (slang_attrib_bindings *self) -{ - GLuint i; - - for (i = 0; i < self->binding_count; i++) - slang_alloc_free (self->bindings[i].name); -} - -/* - * NOTE: If conventional vertex attribute gl_Vertex is used, application cannot use - * vertex attrib index 0 for binding override. Currently this is not checked. - * Anyways, attrib index 0 is not used when not explicitly asked. - */ - -static GLuint -can_allocate_attrib_slots (slang_attrib_bindings *self, GLuint index, GLuint count) -{ - GLuint i; - - for (i = 0; i < count; i++) { - if (self->slots[index + i].addr != ~0) - break; - } - return i; -} - -static GLuint -allocate_attrib_slots (slang_attrib_bindings *self, GLuint count) -{ - GLuint i; - - /* Start with attrib index 1. Index 0 will be used when explicitly - * asked by application binding. */ - for (i = 1; i <= MAX_VERTEX_ATTRIBS - count; i++) { - GLuint size; - - size = can_allocate_attrib_slots (self, i, count); - if (size == count) - return i; - - /* Speed-up the search a bit. */ - i += size; - } - - return MAX_VERTEX_ATTRIBS; -} - -static GLboolean -add_attrib_binding (slang_attrib_bindings *self, slang_export_data_quant *q, const GLchar *name, - GLuint addr, GLuint index_override) -{ - GLuint slot_span, slot_fill, slot_index, i; - slang_attrib_binding *bind; - - assert (slang_export_data_quant_simple (q)); - - switch (slang_export_data_quant_type (q)) { - case GL_FLOAT: - slot_span = 1; - slot_fill = 1; - break; - case GL_FLOAT_VEC2: - slot_span = 1; - slot_fill = 2; - break; - case GL_FLOAT_VEC3: - slot_span = 1; - slot_fill = 3; - break; - case GL_FLOAT_VEC4: - slot_span = 1; - slot_fill = 4; - break; - case GL_FLOAT_MAT2: - slot_span = 2; - slot_fill = 2; - break; - case GL_FLOAT_MAT3: - slot_span = 3; - slot_fill = 3; - break; - case GL_FLOAT_MAT4: - slot_span = 4; - slot_fill = 4; - break; - default: - assert (0); - } - - if (index_override == MAX_VERTEX_ATTRIBS) - slot_index = allocate_attrib_slots (self, slot_span); - else if (can_allocate_attrib_slots (self, index_override, slot_span) == slot_span) - slot_index = index_override; - else - slot_index = MAX_VERTEX_ATTRIBS; - - if (slot_index == MAX_VERTEX_ATTRIBS) { - /* TODO: info log: error: MAX_VERTEX_ATTRIBS exceeded */ - return GL_FALSE; - } - - /* Initialize the new element. Increment table size only when it is fully initilized. */ - bind = &self->bindings[self->binding_count]; - bind->quant = q; - bind->name = slang_string_duplicate (name); - if (bind->name == NULL) - return GL_FALSE; - bind->first_slot_index = slot_index; - self->binding_count++; - - for (i = 0; i < slot_span; i++) { - slang_attrib_slot *slot; - - slot = &self->slots[bind->first_slot_index + i]; - slot->addr = addr + i * slot_fill * 4; - slot->fill = slot_fill; - } - - return GL_TRUE; -} - -static GLboolean -gather_attrib_bindings (slang_attrib_bindings *self, slang_export_data_table *tbl, - slang_attrib_overrides *ovr) -{ - GLuint i; - - /* First pass. Gather attribs that have overriden index slots. */ - for (i = 0; i < tbl->count; i++) { - if (tbl->entries[i].access == slang_exp_attribute && - !entry_has_gl_prefix (tbl->entries[i].quant.name, tbl->atoms)) { - slang_export_data_quant *quant; - const GLchar *id; - slang_attrib_override *ao; - - quant = &tbl->entries[i].quant; - id = slang_atom_pool_id (tbl->atoms, quant->name); - ao = lookup_attrib_override (ovr, id); - if (ao != NULL) { - if (!add_attrib_binding (self, quant, id, tbl->entries[i].address, ao->index)) - return GL_FALSE; - } - } - } - - /* Second pass. Gather attribs that have not overriden index slots. */ - for (i = 0; i < tbl->count; i++) { - if (tbl->entries[i].access == slang_exp_attribute && - !entry_has_gl_prefix (tbl->entries[i].quant.name, tbl->atoms)) { - slang_export_data_quant *quant; - const GLchar *id; - slang_attrib_override *ao; - - quant = &tbl->entries[i].quant; - id = slang_atom_pool_id (tbl->atoms, quant->name); - ao = lookup_attrib_override (ovr, id); - if (ao == NULL) { - if (!add_attrib_binding (self, quant, id, tbl->entries[i].address, ao->index)) - return GL_FALSE; - } - } - } - - return GL_TRUE; -} - -/* - * slang_varying_bindings - */ - -static GLvoid -slang_varying_bindings_ctr (slang_varying_bindings *self) -{ - self->binding_count = 0; - self->slot_count = 0; -} - -static GLvoid -slang_varying_bindings_dtr (slang_varying_bindings *self) -{ - GLuint i; - - for (i = 0; i < self->binding_count; i++) - slang_alloc_free (self->bindings[i].name); -} - -static GLvoid -update_varying_slots (slang_varying_slot *slots, GLuint count, GLboolean is_vert, GLuint addr, - GLuint do_offset) -{ - GLuint i; - - for (i = 0; i < count; i++) { - if (is_vert) - slots[i].vert_addr = addr + i * 4 * do_offset; - else - slots[i].frag_addr = addr + i * 4 * do_offset; - } -} - -static GLboolean -add_varying_binding (slang_varying_bindings *self, slang_export_data_quant *q, const GLchar *name, - GLboolean is_vert, GLuint addr) -{ - GLuint n, slot_span, i; - slang_varying_binding *bind; - - n = self->binding_count; - slot_span = slang_export_data_quant_components (q) * slang_export_data_quant_elements (q); - for (i = 0; i < n; i++) { - if (slang_string_compare (self->bindings[i].name, name) == 0) { - /* TODO: data quantities must match, or else link fails */ - update_varying_slots (&self->slots[self->bindings[i].first_slot_index], slot_span, - is_vert, addr, 1); - return GL_TRUE; - } - } - - if (self->slot_count + slot_span > MAX_VARYING * 4) { - /* TODO: info log: error: MAX_VARYING_FLOATS exceeded */ - return GL_FALSE; - } - - /* Initialize the new element. Increment table size only when it is fully initilized. */ - bind = &self->bindings[n]; - bind->quant = q; - bind->name = slang_string_duplicate (name); - if (bind->name == NULL) - return GL_FALSE; - bind->first_slot_index = self->slot_count; - self->binding_count++; - - update_varying_slots (&self->slots[bind->first_slot_index], slot_span, is_vert, addr, 1); - update_varying_slots (&self->slots[bind->first_slot_index], slot_span, !is_vert, ~0, 0); - self->slot_count += slot_span; - - return GL_TRUE; -} - -static GLboolean -gather_varying_bindings (slang_varying_bindings *self, slang_export_data_table *tbl, - GLboolean is_vert) -{ - GLuint i; - - for (i = 0; i < tbl->count; i++) { - if (tbl->entries[i].access == slang_exp_varying && - !entry_has_gl_prefix (tbl->entries[i].quant.name, tbl->atoms)) { - if (!add_varying_binding (self, &tbl->entries[i].quant, - slang_atom_pool_id (tbl->atoms, tbl->entries[i].quant.name), - is_vert, tbl->entries[i].address)) - return GL_FALSE; - } - } - - return GL_TRUE; -} - -/* - * slang_texture_bindings - */ - -GLvoid -_slang_texture_usages_ctr (slang_texture_usages *self) -{ - self->table = NULL; - self->count = 0; -} - -GLvoid -_slang_texture_usages_dtr (slang_texture_usages *self) -{ - slang_alloc_free (self->table); -} - -/* - * slang_program - */ - -GLvoid -_slang_program_ctr (slang_program *self) -{ - GLuint i; - - slang_active_variables_ctr (&self->active_uniforms); - slang_active_variables_ctr (&self->active_attribs); - slang_attrib_overrides_ctr (&self->attrib_overrides); - slang_uniform_bindings_ctr (&self->uniforms); - slang_attrib_bindings_ctr (&self->attribs); - slang_varying_bindings_ctr (&self->varyings); - _slang_texture_usages_ctr (&self->texture_usage); - for (i = 0; i < SLANG_SHADER_MAX; i++) { - GLuint j; - - for (j = 0; j < SLANG_COMMON_FIXED_MAX; j++) - self->common_fixed_entries[i][j] = ~0; - for (j = 0; j < SLANG_COMMON_CODE_MAX; j++) - self->code[i][j] = ~0; - self->assemblies[i] = NULL; - } - for (i = 0; i < SLANG_VERTEX_FIXED_MAX; i++) - self->vertex_fixed_entries[i] = ~0; - for (i = 0; i < SLANG_FRAGMENT_FIXED_MAX; i++) - self->fragment_fixed_entries[i] = ~0; -} - -GLvoid -_slang_program_dtr (slang_program *self) -{ - slang_active_variables_dtr (&self->active_uniforms); - slang_active_variables_dtr (&self->active_attribs); - slang_attrib_overrides_dtr (&self->attrib_overrides); - slang_uniform_bindings_dtr (&self->uniforms); - slang_attrib_bindings_dtr (&self->attribs); - slang_varying_bindings_dtr (&self->varyings); - _slang_texture_usages_dtr (&self->texture_usage); -} - -GLvoid -_slang_program_rst (slang_program *self) -{ - GLuint i; - - slang_active_variables_dtr (&self->active_uniforms); - slang_active_variables_dtr (&self->active_attribs); - slang_uniform_bindings_dtr (&self->uniforms); - slang_attrib_bindings_dtr (&self->attribs); - slang_varying_bindings_dtr (&self->varyings); - _slang_texture_usages_dtr (&self->texture_usage); - - slang_active_variables_ctr (&self->active_uniforms); - slang_active_variables_ctr (&self->active_attribs); - slang_uniform_bindings_ctr (&self->uniforms); - slang_attrib_bindings_ctr (&self->attribs); - slang_varying_bindings_ctr (&self->varyings); - _slang_texture_usages_ctr (&self->texture_usage); - for (i = 0; i < SLANG_SHADER_MAX; i++) { - GLuint j; - - for (j = 0; j < SLANG_COMMON_FIXED_MAX; j++) - self->common_fixed_entries[i][j] = ~0; - for (j = 0; j < SLANG_COMMON_CODE_MAX; j++) - self->code[i][j] = ~0; - } - for (i = 0; i < SLANG_VERTEX_FIXED_MAX; i++) - self->vertex_fixed_entries[i] = ~0; - for (i = 0; i < SLANG_FRAGMENT_FIXED_MAX; i++) - self->fragment_fixed_entries[i] = ~0; -} - -/* - * _slang_link() - */ - -static GLuint -gd (slang_export_data_table *tbl, const GLchar *name) -{ - slang_atom atom; - GLuint i; - - atom = slang_atom_pool_atom (tbl->atoms, name); - if (atom == SLANG_ATOM_NULL) - return ~0; - - for (i = 0; i < tbl->count; i++) { - if (atom == tbl->entries[i].quant.name) - return tbl->entries[i].address; - } - return ~0; -} - -static GLvoid -resolve_common_fixed (GLuint e[], slang_export_data_table *tbl) -{ - e[SLANG_COMMON_FIXED_MODELVIEWMATRIX] = gd (tbl, "gl_ModelViewMatrix"); - e[SLANG_COMMON_FIXED_PROJECTIONMATRIX] = gd (tbl, "gl_ProjectionMatrix"); - e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIX] = gd (tbl, "gl_ModelViewProjectionMatrix"); - e[SLANG_COMMON_FIXED_TEXTUREMATRIX] = gd (tbl, "gl_TextureMatrix"); - e[SLANG_COMMON_FIXED_NORMALMATRIX] = gd (tbl, "gl_NormalMatrix"); - e[SLANG_COMMON_FIXED_MODELVIEWMATRIXINVERSE] = gd (tbl, "gl_ModelViewMatrixInverse"); - e[SLANG_COMMON_FIXED_PROJECTIONMATRIXINVERSE] = gd (tbl, "gl_ProjectionMatrixInverse"); - e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXINVERSE] = gd (tbl, "gl_ModelViewProjectionMatrixInverse"); - e[SLANG_COMMON_FIXED_TEXTUREMATRIXINVERSE] = gd (tbl, "gl_TextureMatrixInverse"); - e[SLANG_COMMON_FIXED_MODELVIEWMATRIXTRANSPOSE] = gd (tbl, "gl_ModelViewMatrixTranspose"); - e[SLANG_COMMON_FIXED_PROJECTIONMATRIXTRANSPOSE] = gd (tbl, "gl_ProjectionMatrixTranspose"); - e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXTRANSPOSE] = gd (tbl, "gl_ModelViewProjectionMatrixTranspose"); - e[SLANG_COMMON_FIXED_TEXTUREMATRIXTRANSPOSE] = gd (tbl, "gl_TextureMatrixTranspose"); - e[SLANG_COMMON_FIXED_MODELVIEWMATRIXINVERSETRANSPOSE] = gd (tbl, "gl_ModelViewMatrixInverseTranspose"); - e[SLANG_COMMON_FIXED_PROJECTIONMATRIXINVERSETRANSPOSE] = gd (tbl, "gl_ProjectionMatrixInverseTranspose"); - e[SLANG_COMMON_FIXED_MODELVIEWPROJECTIONMATRIXINVERSETRANSPOSE] = gd (tbl, "gl_ModelViewProjectionMatrixInverseTranspose"); - e[SLANG_COMMON_FIXED_TEXTUREMATRIXINVERSETRANSPOSE] = gd (tbl, "gl_TextureMatrixInverseTranspose"); - e[SLANG_COMMON_FIXED_NORMALSCALE] = gd (tbl, "gl_NormalScale"); - e[SLANG_COMMON_FIXED_DEPTHRANGE] = gd (tbl, "gl_DepthRange"); - e[SLANG_COMMON_FIXED_CLIPPLANE] = gd (tbl, "gl_ClipPlane"); - e[SLANG_COMMON_FIXED_POINT] = gd (tbl, "gl_Point"); - e[SLANG_COMMON_FIXED_FRONTMATERIAL] = gd (tbl, "gl_FrontMaterial"); - e[SLANG_COMMON_FIXED_BACKMATERIAL] = gd (tbl, "gl_BackMaterial"); - e[SLANG_COMMON_FIXED_LIGHTSOURCE] = gd (tbl, "gl_LightSource"); - e[SLANG_COMMON_FIXED_LIGHTMODEL] = gd (tbl, "gl_LightModel"); - e[SLANG_COMMON_FIXED_FRONTLIGHTMODELPRODUCT] = gd (tbl, "gl_FrontLightModelProduct"); - e[SLANG_COMMON_FIXED_BACKLIGHTMODELPRODUCT] = gd (tbl, "gl_BackLightModelProduct"); - e[SLANG_COMMON_FIXED_FRONTLIGHTPRODUCT] = gd (tbl, "gl_FrontLightProduct"); - e[SLANG_COMMON_FIXED_BACKLIGHTPRODUCT] = gd (tbl, "gl_BackLightProduct"); - e[SLANG_COMMON_FIXED_TEXTUREENVCOLOR] = gd (tbl, "gl_TextureEnvColor"); - e[SLANG_COMMON_FIXED_EYEPLANES] = gd (tbl, "gl_EyePlaneS"); - e[SLANG_COMMON_FIXED_EYEPLANET] = gd (tbl, "gl_EyePlaneT"); - e[SLANG_COMMON_FIXED_EYEPLANER] = gd (tbl, "gl_EyePlaneR"); - e[SLANG_COMMON_FIXED_EYEPLANEQ] = gd (tbl, "gl_EyePlaneQ"); - e[SLANG_COMMON_FIXED_OBJECTPLANES] = gd (tbl, "gl_ObjectPlaneS"); - e[SLANG_COMMON_FIXED_OBJECTPLANET] = gd (tbl, "gl_ObjectPlaneT"); - e[SLANG_COMMON_FIXED_OBJECTPLANER] = gd (tbl, "gl_ObjectPlaneR"); - e[SLANG_COMMON_FIXED_OBJECTPLANEQ] = gd (tbl, "gl_ObjectPlaneQ"); - e[SLANG_COMMON_FIXED_FOG] = gd (tbl, "gl_Fog"); -} - -static GLvoid -resolve_vertex_fixed (GLuint e[], slang_export_data_table *tbl) -{ - e[SLANG_VERTEX_FIXED_POSITION] = gd (tbl, "gl_Position"); - e[SLANG_VERTEX_FIXED_POINTSIZE] = gd (tbl, "gl_PointSize"); - e[SLANG_VERTEX_FIXED_CLIPVERTEX] = gd (tbl, "gl_ClipVertex"); - e[SLANG_VERTEX_FIXED_COLOR] = gd (tbl, "gl_Color"); - e[SLANG_VERTEX_FIXED_SECONDARYCOLOR] = gd (tbl, "gl_SecondaryColor"); - e[SLANG_VERTEX_FIXED_NORMAL] = gd (tbl, "gl_Normal"); - e[SLANG_VERTEX_FIXED_VERTEX] = gd (tbl, "gl_Vertex"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD0] = gd (tbl, "gl_MultiTexCoord0"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD1] = gd (tbl, "gl_MultiTexCoord1"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD2] = gd (tbl, "gl_MultiTexCoord2"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD3] = gd (tbl, "gl_MultiTexCoord3"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD4] = gd (tbl, "gl_MultiTexCoord4"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD5] = gd (tbl, "gl_MultiTexCoord5"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD6] = gd (tbl, "gl_MultiTexCoord6"); - e[SLANG_VERTEX_FIXED_MULTITEXCOORD7] = gd (tbl, "gl_MultiTexCoord7"); - e[SLANG_VERTEX_FIXED_FOGCOORD] = gd (tbl, "gl_FogCoord"); - e[SLANG_VERTEX_FIXED_FRONTCOLOR] = gd (tbl, "gl_FrontColor"); - e[SLANG_VERTEX_FIXED_BACKCOLOR] = gd (tbl, "gl_BackColor"); - e[SLANG_VERTEX_FIXED_FRONTSECONDARYCOLOR] = gd (tbl, "gl_FrontSecondaryColor"); - e[SLANG_VERTEX_FIXED_BACKSECONDARYCOLOR] = gd (tbl, "gl_BackSecondaryColor"); - e[SLANG_VERTEX_FIXED_TEXCOORD] = gd (tbl, "gl_TexCoord"); - e[SLANG_VERTEX_FIXED_FOGFRAGCOORD] = gd (tbl, "gl_FogFragCoord"); -} - -static GLvoid -resolve_fragment_fixed (GLuint e[], slang_export_data_table *tbl) -{ - e[SLANG_FRAGMENT_FIXED_FRAGCOORD] = gd (tbl, "gl_FragCoord"); - e[SLANG_FRAGMENT_FIXED_FRONTFACING] = gd (tbl, "gl_FrontFacing"); - e[SLANG_FRAGMENT_FIXED_FRAGCOLOR] = gd (tbl, "gl_FragColor"); - e[SLANG_FRAGMENT_FIXED_FRAGDATA] = gd (tbl, "gl_FragData"); - e[SLANG_FRAGMENT_FIXED_FRAGDEPTH] = gd (tbl, "gl_FragDepth"); - e[SLANG_FRAGMENT_FIXED_COLOR] = gd (tbl, "gl_Color"); - e[SLANG_FRAGMENT_FIXED_SECONDARYCOLOR] = gd (tbl, "gl_SecondaryColor"); - e[SLANG_FRAGMENT_FIXED_TEXCOORD] = gd (tbl, "gl_TexCoord"); - e[SLANG_FRAGMENT_FIXED_FOGFRAGCOORD] = gd (tbl, "gl_FogFragCoord"); -} - -static GLuint -gc (slang_export_code_table *tbl, const GLchar *name) -{ - slang_atom atom; - GLuint i; - - atom = slang_atom_pool_atom (tbl->atoms, name); - if (atom == SLANG_ATOM_NULL) - return ~0; - - for (i = 0; i < tbl->count; i++) { - if (atom == tbl->entries[i].name) - return tbl->entries[i].address; - } - return ~0; -} - -static GLvoid -resolve_common_code (GLuint code[], slang_export_code_table *tbl) -{ - code[SLANG_COMMON_CODE_MAIN] = gc (tbl, "@main"); -} - -GLboolean -_slang_link (slang_program *prog, slang_code_object **objects, GLuint count) -{ - GLuint i; - - for (i = 0; i < count; i++) { - GLuint index; - - if (objects[i]->unit.type == slang_unit_fragment_shader) { - index = SLANG_SHADER_FRAGMENT; - resolve_fragment_fixed (prog->fragment_fixed_entries, &objects[i]->expdata); - } - else { - index = SLANG_SHADER_VERTEX; - resolve_vertex_fixed (prog->vertex_fixed_entries, &objects[i]->expdata); - if (!gather_attrib_bindings (&prog->attribs, &objects[i]->expdata, - &prog->attrib_overrides)) - return GL_FALSE; - } - - if (!gather_active_variables (&prog->active_uniforms, &objects[i]->expdata, slang_exp_uniform)) - return GL_FALSE; - if (!gather_active_variables (&prog->active_attribs, &objects[i]->expdata, slang_exp_attribute)) - return GL_FALSE; - if (!gather_uniform_bindings (&prog->uniforms, &objects[i]->expdata, index)) - return GL_FALSE; - if (!gather_varying_bindings (&prog->varyings, &objects[i]->expdata, - index == SLANG_SHADER_VERTEX)) - return GL_FALSE; - resolve_common_fixed (prog->common_fixed_entries[index], &objects[i]->expdata); - resolve_common_code (prog->code[index], &objects[i]->expcode); - prog->assemblies[index] = &objects[i]->assembly; - } - - /* TODO: all varyings read by fragment shader must be written by vertex shader */ - - if (!_slang_analyse_texture_usage (prog)) - return GL_FALSE; - - return GL_TRUE; -} - |