diff options
Diffstat (limited to 'mesalib/src/mesa/main/uniforms.c')
| -rw-r--r-- | mesalib/src/mesa/main/uniforms.c | 294 |
1 files changed, 90 insertions, 204 deletions
diff --git a/mesalib/src/mesa/main/uniforms.c b/mesalib/src/mesa/main/uniforms.c index fb1482f9c..5548d1d02 100644 --- a/mesalib/src/mesa/main/uniforms.c +++ b/mesalib/src/mesa/main/uniforms.c @@ -911,7 +911,6 @@ GLint GLAPIENTRY _mesa_GetUniformLocation(GLuint programObj, const GLcharARB *name) { struct gl_shader_program *shProg; - GLuint index, offset; GET_CURRENT_CONTEXT(ctx); @@ -931,23 +930,7 @@ _mesa_GetUniformLocation(GLuint programObj, const GLcharARB *name) return -1; } - index = _mesa_get_uniform_location(shProg, name, &offset); - if (index == GL_INVALID_INDEX) - return -1; - - /* From the GL_ARB_uniform_buffer_object spec: - * - * "The value -1 will be returned if <name> does not correspond to an - * active uniform variable name in <program>, if <name> is associated - * with a named uniform block, or if <name> starts with the reserved - * prefix "gl_"." - */ - if (shProg->UniformStorage[index].block_index != -1 || - shProg->UniformStorage[index].atomic_buffer_index != -1) - return -1; - - /* location in remap table + array element offset */ - return shProg->UniformStorage[index].remap_location + offset; + return _mesa_program_resource_location(shProg, GL_UNIFORM, name); } GLuint GLAPIENTRY @@ -955,7 +938,6 @@ _mesa_GetUniformBlockIndex(GLuint program, const GLchar *uniformBlockName) { GET_CURRENT_CONTEXT(ctx); - GLuint i; struct gl_shader_program *shProg; if (!ctx->Extensions.ARB_uniform_buffer_object) { @@ -968,12 +950,13 @@ _mesa_GetUniformBlockIndex(GLuint program, if (!shProg) return GL_INVALID_INDEX; - for (i = 0; i < shProg->NumUniformBlocks; i++) { - if (!strcmp(shProg->UniformBlocks[i].Name, uniformBlockName)) - return i; - } + struct gl_program_resource *res = + _mesa_program_resource_find_name(shProg, GL_UNIFORM_BLOCK, + uniformBlockName); + if (!res) + return GL_INVALID_INDEX; - return GL_INVALID_INDEX; + return _mesa_program_resource_index(shProg, res); } void GLAPIENTRY @@ -1003,9 +986,9 @@ _mesa_GetUniformIndices(GLuint program, } for (i = 0; i < uniformCount; i++) { - unsigned offset; - uniformIndices[i] = _mesa_get_uniform_location(shProg, - uniformNames[i], &offset); + struct gl_program_resource *res = + _mesa_program_resource_find_name(shProg, GL_UNIFORM, uniformNames[i]); + uniformIndices[i] = _mesa_program_resource_index(shProg, res); } } @@ -1061,104 +1044,104 @@ _mesa_UniformBlockBinding(GLuint program, } } -void GLAPIENTRY -_mesa_GetActiveUniformBlockiv(GLuint program, - GLuint uniformBlockIndex, - GLenum pname, - GLint *params) + +/** + * Generic program resource property query. + */ +static void +mesa_bufferiv(struct gl_shader_program *shProg, GLenum type, + GLuint index, GLenum pname, GLint *params, const char *caller) { GET_CURRENT_CONTEXT(ctx); - struct gl_shader_program *shProg; - struct gl_uniform_block *block; - unsigned i; + struct gl_program_resource *res = + _mesa_program_resource_find_index(shProg, type, index); - if (!ctx->Extensions.ARB_uniform_buffer_object) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glGetActiveUniformBlockiv"); + if (!res) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(bufferindex %d)", caller, index); return; } - shProg = _mesa_lookup_shader_program_err(ctx, program, - "glGetActiveUniformBlockiv"); - if (!shProg) - return; - - if (uniformBlockIndex >= shProg->NumUniformBlocks) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glGetActiveUniformBlockiv(block index %u >= %u)", - uniformBlockIndex, shProg->NumUniformBlocks); - return; - } - - block = &shProg->UniformBlocks[uniformBlockIndex]; - switch (pname) { case GL_UNIFORM_BLOCK_BINDING: - params[0] = block->Binding; + case GL_ATOMIC_COUNTER_BUFFER_BINDING: + _mesa_program_resource_prop(shProg, res, index, GL_BUFFER_BINDING, + params, caller); return; - case GL_UNIFORM_BLOCK_DATA_SIZE: - params[0] = block->UniformBufferSize; + case GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE: + _mesa_program_resource_prop(shProg, res, index, GL_BUFFER_DATA_SIZE, + params, caller); return; - case GL_UNIFORM_BLOCK_NAME_LENGTH: - params[0] = strlen(block->Name) + 1; + _mesa_program_resource_prop(shProg, res, index, GL_NAME_LENGTH, + params, caller); return; - - case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS: { - unsigned count = 0; - - for (i = 0; i < block->NumUniforms; i++) { - unsigned offset; - const int idx = - _mesa_get_uniform_location(shProg, - block->Uniforms[i].IndexName, - &offset); - if (idx != -1) - count++; - } - - params[0] = count; + case GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS: + case GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS: + _mesa_program_resource_prop(shProg, res, index, GL_NUM_ACTIVE_VARIABLES, + params, caller); return; - } - - case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: { - unsigned count = 0; - - for (i = 0; i < block->NumUniforms; i++) { - unsigned offset; - const int idx = - _mesa_get_uniform_location(shProg, - block->Uniforms[i].IndexName, - &offset); - - if (idx != -1) - params[count++] = idx; - } + case GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES: + case GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES: + _mesa_program_resource_prop(shProg, res, index, GL_ACTIVE_VARIABLES, + params, caller); return; - } - case GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER: - params[0] = shProg->UniformBlockStageIndex[MESA_SHADER_VERTEX][uniformBlockIndex] != -1; + case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER: + _mesa_program_resource_prop(shProg, res, index, + GL_REFERENCED_BY_VERTEX_SHADER, params, + caller); return; - case GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER: - if (!_mesa_has_geometry_shaders(ctx)) - break; - params[0] = shProg->UniformBlockStageIndex[MESA_SHADER_GEOMETRY][uniformBlockIndex] != -1; + case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER: + _mesa_program_resource_prop(shProg, res, index, + GL_REFERENCED_BY_GEOMETRY_SHADER, params, + caller); return; - case GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER: - params[0] = shProg->UniformBlockStageIndex[MESA_SHADER_FRAGMENT][uniformBlockIndex] != -1; + case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER: + _mesa_program_resource_prop(shProg, res, index, + GL_REFERENCED_BY_FRAGMENT_SHADER, params, + caller); + return; + case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER: + params[0] = GL_FALSE; + return; + case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER: + params[0] = GL_FALSE; return; - default: _mesa_error(ctx, GL_INVALID_ENUM, - "glGetActiveUniformBlockiv(pname 0x%x (%s))", - pname, _mesa_lookup_enum_by_nr(pname)); + "%s(pname 0x%x (%s))", caller, pname, + _mesa_lookup_enum_by_nr(pname)); return; } } + +void GLAPIENTRY +_mesa_GetActiveUniformBlockiv(GLuint program, + GLuint uniformBlockIndex, + GLenum pname, + GLint *params) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_shader_program *shProg; + + if (!ctx->Extensions.ARB_uniform_buffer_object) { + _mesa_error(ctx, GL_INVALID_OPERATION, "glGetActiveUniformBlockiv"); + return; + } + + shProg = _mesa_lookup_shader_program_err(ctx, program, + "glGetActiveUniformBlockiv"); + if (!shProg) + return; + + mesa_bufferiv(shProg, GL_UNIFORM_BLOCK, uniformBlockIndex, pname, params, + "glGetActiveUniformBlockiv"); +} + void GLAPIENTRY _mesa_GetActiveUniformBlockName(GLuint program, GLuint uniformBlockIndex, @@ -1168,7 +1151,6 @@ _mesa_GetActiveUniformBlockName(GLuint program, { GET_CURRENT_CONTEXT(ctx); struct gl_shader_program *shProg; - struct gl_uniform_block *block; if (!ctx->Extensions.ARB_uniform_buffer_object) { _mesa_error(ctx, GL_INVALID_OPERATION, "glGetActiveUniformBlockiv"); @@ -1187,18 +1169,11 @@ _mesa_GetActiveUniformBlockName(GLuint program, if (!shProg) return; - if (uniformBlockIndex >= shProg->NumUniformBlocks) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glGetActiveUniformBlockiv(block index %u >= %u)", - uniformBlockIndex, shProg->NumUniformBlocks); - return; - } - - block = &shProg->UniformBlocks[uniformBlockIndex]; - - if (uniformBlockName) { - _mesa_copy_string(uniformBlockName, bufSize, length, block->Name); - } + if (uniformBlockName) + _mesa_get_program_resource_name(shProg, GL_UNIFORM_BLOCK, + uniformBlockIndex, bufSize, length, + uniformBlockName, + "glGetActiveUniformBlockName"); } void GLAPIENTRY @@ -1226,54 +1201,8 @@ _mesa_GetActiveUniformName(GLuint program, GLuint uniformIndex, if (!shProg) return; - if (uniformIndex >= shProg->NumUserUniformStorage) { - _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniform(index)"); - return; - } - - if (uniformName) { - _mesa_get_uniform_name(& shProg->UniformStorage[uniformIndex], - bufSize, length, uniformName); - } -} - -void -_mesa_get_uniform_name(const struct gl_uniform_storage *uni, - GLsizei maxLength, GLsizei *length, - GLchar *nameOut) -{ - GLsizei localLength; - - if (length == NULL) - length = &localLength; - - _mesa_copy_string(nameOut, maxLength, length, uni->name); - - /* Page 61 (page 73 of the PDF) in section 2.11 of the OpenGL ES 3.0 - * spec says: - * - * "If the active uniform is an array, the uniform name returned in - * name will always be the name of the uniform array appended with - * "[0]"." - * - * The same text also appears in the OpenGL 4.2 spec. It does not, - * however, appear in any previous spec. Previous specifications are - * ambiguous in this regard. However, either name can later be passed - * to glGetUniformLocation (and related APIs), so there shouldn't be any - * harm in always appending "[0]" to uniform array names. - */ - if (uni->array_elements != 0) { - int i; - - /* The comparison is strange because *length does *NOT* include the - * terminating NUL, but maxLength does. - */ - for (i = 0; i < 3 && (*length + i + 1) < maxLength; i++) - nameOut[*length + i] = "[0]"[i]; - - nameOut[*length + i] = '\0'; - *length += i; - } + _mesa_get_program_resource_name(shProg, GL_UNIFORM, uniformIndex, bufSize, + length, uniformName, "glGetActiveUniformName"); } void GLAPIENTRY @@ -1282,8 +1211,6 @@ _mesa_GetActiveAtomicCounterBufferiv(GLuint program, GLuint bufferIndex, { GET_CURRENT_CONTEXT(ctx); struct gl_shader_program *shProg; - struct gl_active_atomic_buffer *ab; - GLuint i; if (!ctx->Extensions.ARB_shader_atomic_counters) { _mesa_error(ctx, GL_INVALID_OPERATION, @@ -1296,49 +1223,8 @@ _mesa_GetActiveAtomicCounterBufferiv(GLuint program, GLuint bufferIndex, if (!shProg) return; - if (bufferIndex >= shProg->NumAtomicBuffers) { - _mesa_error(ctx, GL_INVALID_VALUE, - "glGetActiveAtomicCounterBufferiv(bufferIndex)"); - return; - } - - ab = &shProg->AtomicBuffers[bufferIndex]; - - switch (pname) { - case GL_ATOMIC_COUNTER_BUFFER_BINDING: - params[0] = ab->Binding; - return; - case GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE: - params[0] = ab->MinimumSize; - return; - case GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS: - params[0] = ab->NumUniforms; - return; - case GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES: - for (i = 0; i < ab->NumUniforms; ++i) - params[i] = ab->Uniforms[i]; - return; - case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER: - params[0] = ab->StageReferences[MESA_SHADER_VERTEX]; - return; - case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER: - params[0] = ab->StageReferences[MESA_SHADER_GEOMETRY]; - return; - case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER: - params[0] = ab->StageReferences[MESA_SHADER_FRAGMENT]; - return; - case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER: - params[0] = GL_FALSE; - return; - case GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER: - params[0] = GL_FALSE; - return; - default: - _mesa_error(ctx, GL_INVALID_ENUM, - "glGetActiveAtomicCounterBufferiv(pname 0x%x (%s))", - pname, _mesa_lookup_enum_by_nr(pname)); - return; - } + mesa_bufferiv(shProg, GL_ATOMIC_COUNTER_BUFFER, bufferIndex, pname, params, + "glGetActiveAtomicCounterBufferiv"); } void GLAPIENTRY |