* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <stdlib.h>
+#include <inttypes.h> /* for PRIx64 macro */
#include "main/core.h"
#include "main/context.h"
-#include "ir.h"
-#include "ir_uniform.h"
-#include "program/hash_table.h"
-#include "../glsl/program.h"
-#include "../glsl/ir_uniform.h"
#include "main/shaderapi.h"
#include "main/shaderobj.h"
-#include "uniforms.h"
+#include "main/uniforms.h"
+#include "compiler/glsl/ir.h"
+#include "compiler/glsl/ir_uniform.h"
+#include "compiler/glsl/glsl_parser_extras.h"
+#include "compiler/glsl/program.h"
+#include "util/bitscan.h"
extern "C" void GLAPIENTRY
-_mesa_GetActiveUniform(GLhandleARB program, GLuint index,
- GLsizei maxLength, GLsizei *length, GLint *size,
- GLenum *type, GLcharARB *nameOut)
+_mesa_GetActiveUniform(GLuint program, GLuint index,
+ GLsizei maxLength, GLsizei *length, GLint *size,
+ GLenum *type, GLcharARB *nameOut)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_shader_program *shProg =
- _mesa_lookup_shader_program_err(ctx, program, "glGetActiveUniform");
+ struct gl_shader_program *shProg;
+ struct gl_program_resource *res;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ if (maxLength < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniform(maxLength < 0)");
+ return;
+ }
+ shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveUniform");
if (!shProg)
return;
- if (index >= shProg->NumUserUniformStorage) {
+ res = _mesa_program_resource_find_index((struct gl_shader_program *) shProg,
+ GL_UNIFORM, index);
+
+ if (!res) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniform(index)");
return;
}
- const struct gl_uniform_storage *const uni = &shProg->UniformStorage[index];
-
- if (nameOut) {
- _mesa_get_uniform_name(uni, maxLength, length, nameOut);
- }
-
- if (size) {
- /* array_elements is zero for non-arrays, but the API requires that 1 be
- * returned.
- */
- *size = MAX2(1, uni->array_elements);
- }
+ if (nameOut)
+ _mesa_get_program_resource_name(shProg, GL_UNIFORM, index, maxLength,
+ length, nameOut, "glGetActiveUniform");
+ if (type)
+ _mesa_program_resource_prop((struct gl_shader_program *) shProg,
+ res, index, GL_TYPE, (GLint*) type,
+ "glGetActiveUniform");
+ if (size)
+ _mesa_program_resource_prop((struct gl_shader_program *) shProg,
+ res, index, GL_ARRAY_SIZE, (GLint*) size,
+ "glGetActiveUniform");
+}
- if (type) {
- *type = uni->type->gl_type;
+static GLenum
+resource_prop_from_uniform_prop(GLenum uni_prop)
+{
+ switch (uni_prop) {
+ case GL_UNIFORM_TYPE:
+ return GL_TYPE;
+ case GL_UNIFORM_SIZE:
+ return GL_ARRAY_SIZE;
+ case GL_UNIFORM_NAME_LENGTH:
+ return GL_NAME_LENGTH;
+ case GL_UNIFORM_BLOCK_INDEX:
+ return GL_BLOCK_INDEX;
+ case GL_UNIFORM_OFFSET:
+ return GL_OFFSET;
+ case GL_UNIFORM_ARRAY_STRIDE:
+ return GL_ARRAY_STRIDE;
+ case GL_UNIFORM_MATRIX_STRIDE:
+ return GL_MATRIX_STRIDE;
+ case GL_UNIFORM_IS_ROW_MAJOR:
+ return GL_IS_ROW_MAJOR;
+ case GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX:
+ return GL_ATOMIC_COUNTER_BUFFER_INDEX;
+ default:
+ return 0;
}
}
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *shProg;
- GLsizei i;
-
- shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveUniform");
- if (!shProg)
- return;
+ struct gl_program_resource *res;
+ GLenum res_prop;
if (uniformCount < 0) {
_mesa_error(ctx, GL_INVALID_VALUE,
- "glGetUniformIndices(uniformCount < 0)");
+ "glGetActiveUniformsiv(uniformCount < 0)");
return;
}
- for (i = 0; i < uniformCount; i++) {
- GLuint index = uniformIndices[i];
+ shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetActiveUniform");
+ if (!shProg)
+ return;
- if (index >= shProg->NumUserUniformStorage) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniformsiv(index)");
- return;
+ res_prop = resource_prop_from_uniform_prop(pname);
+
+ /* We need to first verify that each entry exists as active uniform. If
+ * not, generate error and do not cause any other side effects.
+ *
+ * In the case of and error condition, Page 16 (section 2.3.1 Errors)
+ * of the OpenGL 4.5 spec says:
+ *
+ * "If the generating command modifies values through a pointer argu-
+ * ment, no change is made to these values."
+ */
+ for (int i = 0; i < uniformCount; i++) {
+ if (!_mesa_program_resource_find_index(shProg, GL_UNIFORM,
+ uniformIndices[i])) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetActiveUniformsiv(index)");
+ return;
}
}
- for (i = 0; i < uniformCount; i++) {
- GLuint index = uniformIndices[i];
- const struct gl_uniform_storage *uni = &shProg->UniformStorage[index];
-
- switch (pname) {
- case GL_UNIFORM_TYPE:
- params[i] = uni->type->gl_type;
- break;
-
- case GL_UNIFORM_SIZE:
- /* array_elements is zero for non-arrays, but the API requires that 1 be
- * returned.
- */
- params[i] = MAX2(1, uni->array_elements);
- break;
-
- case GL_UNIFORM_NAME_LENGTH:
- params[i] = strlen(uni->name) + 1;
- break;
-
- case GL_UNIFORM_BLOCK_INDEX:
- params[i] = uni->block_index;
- break;
-
- case GL_UNIFORM_OFFSET:
- params[i] = uni->offset;
- break;
-
- case GL_UNIFORM_ARRAY_STRIDE:
- params[i] = uni->array_stride;
- break;
-
- case GL_UNIFORM_MATRIX_STRIDE:
- params[i] = uni->matrix_stride;
- break;
-
- case GL_UNIFORM_IS_ROW_MAJOR:
- params[i] = uni->row_major;
- break;
-
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glGetActiveUniformsiv(pname)");
- return;
- }
+ for (int i = 0; i < uniformCount; i++) {
+ res = _mesa_program_resource_find_index(shProg, GL_UNIFORM,
+ uniformIndices[i]);
+ if (!_mesa_program_resource_prop(shProg, res, uniformIndices[i],
+ res_prop, ¶ms[i],
+ "glGetActiveUniformsiv"))
+ break;
}
}
-static bool
-validate_uniform_parameters(struct gl_context *ctx,
- struct gl_shader_program *shProg,
- GLint location, GLsizei count,
- unsigned *loc,
- unsigned *array_index,
- const char *caller,
- bool negative_one_is_not_valid)
+static struct gl_uniform_storage *
+validate_uniform_parameters(GLint location, GLsizei count,
+ unsigned *array_index,
+ struct gl_context *ctx,
+ struct gl_shader_program *shProg,
+ const char *caller)
{
- if (!shProg || !shProg->LinkStatus) {
+ if (shProg == NULL) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(program not linked)", caller);
- return false;
- }
-
- if (location == -1) {
- /* For glGetUniform, page 264 (page 278 of the PDF) of the OpenGL 2.1
- * spec says:
- *
- * "The error INVALID_OPERATION is generated if program has not been
- * linked successfully, or if location is not a valid location for
- * program."
- *
- * For glUniform, page 82 (page 96 of the PDF) of the OpenGL 2.1 spec
- * says:
- *
- * "If the value of location is -1, the Uniform* commands will
- * silently ignore the data passed in, and the current uniform
- * values will not be changed."
- *
- * Allowing -1 for the location parameter of glUniform allows
- * applications to avoid error paths in the case that, for example, some
- * uniform variable is removed by the compiler / linker after
- * optimization. In this case, the new value of the uniform is dropped
- * on the floor. For the case of glGetUniform, there is nothing
- * sensible to do for a location of -1.
- *
- * The negative_one_is_not_valid flag selects between the two behaviors.
- */
- if (negative_one_is_not_valid) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
- caller, location);
- }
-
- return false;
+ return NULL;
}
/* From page 12 (page 26 of the PDF) of the OpenGL 2.1 spec:
*/
if (count < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "%s(count < 0)", caller);
- return false;
+ return NULL;
+ }
+
+ /* Check that the given location is in bounds of uniform remap table.
+ * Unlinked programs will have NumUniformRemapTable == 0, so we can take
+ * the shProg->data->LinkStatus check out of the main path.
+ */
+ if (unlikely(location >= (GLint) shProg->NumUniformRemapTable)) {
+ if (!shProg->data->LinkStatus)
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(program not linked)",
+ caller);
+ else
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
+ caller, location);
+
+ return NULL;
+ }
+
+ if (location == -1) {
+ if (!shProg->data->LinkStatus)
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(program not linked)",
+ caller);
+
+ return NULL;
}
/* Page 82 (page 96 of the PDF) of the OpenGL 2.1 spec says:
* - if count is greater than one, and the uniform declared in the
* shader is not an array variable,
*/
- if (location < -1) {
+ if (location < -1 || !shProg->UniformRemapTable[location]) {
_mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
caller, location);
- return false;
+ return NULL;
}
- _mesa_uniform_split_location_offset(location, loc, array_index);
-
- if (*loc >= shProg->NumUserUniformStorage) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
- caller, location);
- return false;
- }
+ /* If the driver storage pointer in remap table is -1, we ignore silently.
+ *
+ * GL_ARB_explicit_uniform_location spec says:
+ * "What happens if Uniform* is called with an explicitly defined
+ * uniform location, but that uniform is deemed inactive by the
+ * linker?
+ *
+ * RESOLVED: The call is ignored for inactive uniform variables and
+ * no error is generated."
+ *
+ */
+ if (shProg->UniformRemapTable[location] ==
+ INACTIVE_UNIFORM_EXPLICIT_LOCATION)
+ return NULL;
- if (shProg->UniformStorage[*loc].array_elements == 0 && count > 1) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "%s(count > 1 for non-array, location=%d)",
- caller, location);
- return false;
- }
+ struct gl_uniform_storage *const uni = shProg->UniformRemapTable[location];
- /* If the uniform is an array, check that array_index is in bounds.
- * If not an array, check that array_index is zero.
- * array_index is unsigned so no need to check for less than zero.
+ /* Even though no location is assigned to a built-in uniform and this
+ * function should already have returned NULL, this test makes it explicit
+ * that we are not allowing to update the value of a built-in.
*/
- unsigned limit = shProg->UniformStorage[*loc].array_elements;
- if (limit == 0)
- limit = 1;
- if (*array_index >= limit) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
- caller, location);
- return false;
+ if (uni->builtin)
+ return NULL;
+
+ if (uni->array_elements == 0) {
+ if (count > 1) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(count = %u for non-array \"%s\"@%d)",
+ caller, count, uni->name, location);
+ return NULL;
+ }
+
+ assert((location - uni->remap_location) == 0);
+ *array_index = 0;
+ } else {
+ /* The array index specified by the uniform location is just the uniform
+ * location minus the base location of of the uniform.
+ */
+ *array_index = location - uni->remap_location;
+
+ /* If the uniform is an array, check that array_index is in bounds.
+ * array_index is unsigned so no need to check for less than zero.
+ */
+ if (*array_index >= uni->array_elements) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(location=%d)",
+ caller, location);
+ return NULL;
+ }
}
- return true;
+ return uni;
}
/**
{
struct gl_shader_program *shProg =
_mesa_lookup_shader_program_err(ctx, program, "glGetUniformfv");
- struct gl_uniform_storage *uni;
- unsigned loc, offset;
+ unsigned offset;
- if (!validate_uniform_parameters(ctx, shProg, location, 1,
- &loc, &offset, "glGetUniform", true))
- return;
+ struct gl_uniform_storage *const uni =
+ validate_uniform_parameters(location, 1, &offset,
+ ctx, shProg, "glGetUniform");
+ if (uni == NULL) {
+ /* For glGetUniform, page 264 (page 278 of the PDF) of the OpenGL 2.1
+ * spec says:
+ *
+ * "The error INVALID_OPERATION is generated if program has not been
+ * linked successfully, or if location is not a valid location for
+ * program."
+ *
+ * For glUniform, page 82 (page 96 of the PDF) of the OpenGL 2.1 spec
+ * says:
+ *
+ * "If the value of location is -1, the Uniform* commands will
+ * silently ignore the data passed in, and the current uniform
+ * values will not be changed."
+ *
+ * Allowing -1 for the location parameter of glUniform allows
+ * applications to avoid error paths in the case that, for example, some
+ * uniform variable is removed by the compiler / linker after
+ * optimization. In this case, the new value of the uniform is dropped
+ * on the floor. For the case of glGetUniform, there is nothing
+ * sensible to do for a location of -1.
+ *
+ * If the location was -1, validate_unfirom_parameters will return NULL
+ * without raising an error. Raise the error here.
+ */
+ if (location == -1) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetUniform(location=%d)",
+ location);
+ }
- uni = &shProg->UniformStorage[loc];
+ return;
+ }
{
- unsigned elements = (uni->type->is_sampler())
- ? 1 : uni->type->components();
+ unsigned elements = uni->type->components();
+ /* XXX: Remove the sampler/image check workarounds when bindless is fully
+ * implemented.
+ */
+ const int dmul =
+ (uni->type->is_64bit() && !uni->type->is_sampler() && !uni->type->is_image()) ? 2 : 1;
+ const int rmul = glsl_base_type_is_64bit(returnType) ? 2 : 1;
/* Calculate the source base address *BEFORE* modifying elements to
* account for the size of the user's buffer.
*/
const union gl_constant_value *const src =
- &uni->storage[offset * elements];
+ &uni->storage[offset * elements * dmul];
assert(returnType == GLSL_TYPE_FLOAT || returnType == GLSL_TYPE_INT ||
- returnType == GLSL_TYPE_UINT);
- /* The three (currently) supported types all have the same size,
- * which is of course the same as their union. That'll change
- * with glGetUniformdv()...
- */
- unsigned bytes = sizeof(src[0]) * elements;
+ returnType == GLSL_TYPE_UINT || returnType == GLSL_TYPE_DOUBLE ||
+ returnType == GLSL_TYPE_UINT64 || returnType == GLSL_TYPE_INT64);
+
+ /* doubles have a different size than the other 3 types */
+ unsigned bytes = sizeof(src[0]) * elements * rmul;
if (bufSize < 0 || bytes > (unsigned) bufSize) {
- _mesa_error( ctx, GL_INVALID_OPERATION,
- "glGetnUniform*vARB(out of bounds: bufSize is %d,"
- " but %u bytes are required)", bufSize, bytes );
- return;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetnUniform*vARB(out of bounds: bufSize is %d,"
+ " but %u bytes are required)", bufSize, bytes);
+ return;
}
/* If the return type and the uniform's native type are "compatible,"
* just memcpy the data. If the types are not compatible, perform a
* slower convert-and-copy process.
*/
- if (returnType == uni->type->base_type
- || ((returnType == GLSL_TYPE_INT
- || returnType == GLSL_TYPE_UINT
- || returnType == GLSL_TYPE_SAMPLER)
- &&
- (uni->type->base_type == GLSL_TYPE_INT
- || uni->type->base_type == GLSL_TYPE_UINT
- || uni->type->base_type == GLSL_TYPE_SAMPLER))) {
- memcpy(paramsOut, src, bytes);
+ if (returnType == uni->type->base_type ||
+ ((returnType == GLSL_TYPE_INT || returnType == GLSL_TYPE_UINT) &&
+ (uni->type->is_sampler() || uni->type->is_image()))) {
+ memcpy(paramsOut, src, bytes);
} else {
- union gl_constant_value *const dst =
- (union gl_constant_value *) paramsOut;
-
- /* This code could be optimized by putting the loop inside the switch
- * statements. However, this is not expected to be
- * performance-critical code.
- */
- for (unsigned i = 0; i < elements; i++) {
- switch (returnType) {
- case GLSL_TYPE_FLOAT:
- switch (uni->type->base_type) {
- case GLSL_TYPE_UINT:
- dst[i].f = (float) src[i].u;
- break;
- case GLSL_TYPE_INT:
- case GLSL_TYPE_SAMPLER:
- dst[i].f = (float) src[i].i;
- break;
- case GLSL_TYPE_BOOL:
- dst[i].f = src[i].i ? 1.0f : 0.0f;
- break;
- default:
- assert(!"Should not get here.");
- break;
- }
- break;
-
- case GLSL_TYPE_INT:
- case GLSL_TYPE_UINT:
- switch (uni->type->base_type) {
- case GLSL_TYPE_FLOAT:
- /* While the GL 3.2 core spec doesn't explicitly
- * state how conversion of float uniforms to integer
- * values works, in section 6.2 "State Tables" on
- * page 267 it says:
- *
- * "Unless otherwise specified, when floating
- * point state is returned as integer values or
- * integer state is returned as floating-point
- * values it is converted in the fashion
- * described in section 6.1.2"
- *
- * That section, on page 248, says:
- *
- * "If GetIntegerv or GetInteger64v are called,
- * a floating-point value is rounded to the
- * nearest integer..."
- */
- dst[i].i = IROUND(src[i].f);
- break;
- case GLSL_TYPE_BOOL:
- dst[i].i = src[i].i ? 1 : 0;
- break;
- default:
- assert(!"Should not get here.");
- break;
- }
- break;
-
- default:
- assert(!"Should not get here.");
- break;
- }
- }
+ union gl_constant_value *const dst =
+ (union gl_constant_value *) paramsOut;
+ /* This code could be optimized by putting the loop inside the switch
+ * statements. However, this is not expected to be
+ * performance-critical code.
+ */
+ for (unsigned i = 0; i < elements; i++) {
+ int sidx = i * dmul;
+ int didx = i * rmul;
+
+ switch (returnType) {
+ case GLSL_TYPE_FLOAT:
+ switch (uni->type->base_type) {
+ case GLSL_TYPE_UINT:
+ dst[didx].f = (float) src[sidx].u;
+ break;
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_SAMPLER:
+ case GLSL_TYPE_IMAGE:
+ dst[didx].f = (float) src[sidx].i;
+ break;
+ case GLSL_TYPE_BOOL:
+ dst[didx].f = src[sidx].i ? 1.0f : 0.0f;
+ break;
+ case GLSL_TYPE_DOUBLE: {
+ double tmp;
+ memcpy(&tmp, &src[sidx].f, sizeof(tmp));
+ dst[didx].f = tmp;
+ break;
+ }
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &src[sidx].u, sizeof(tmp));
+ dst[didx].f = tmp;
+ break;
+ }
+ case GLSL_TYPE_INT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &src[sidx].i, sizeof(tmp));
+ dst[didx].f = tmp;
+ break;
+ }
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ break;
+
+ case GLSL_TYPE_DOUBLE:
+ switch (uni->type->base_type) {
+ case GLSL_TYPE_UINT: {
+ double tmp = src[sidx].u;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_SAMPLER:
+ case GLSL_TYPE_IMAGE: {
+ double tmp = src[sidx].i;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_BOOL: {
+ double tmp = src[sidx].i ? 1.0 : 0.0;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_FLOAT: {
+ double tmp = src[sidx].f;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmpu;
+ double tmp;
+ memcpy(&tmpu, &src[sidx].u, sizeof(tmpu));
+ tmp = tmpu;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_INT64: {
+ int64_t tmpi;
+ double tmp;
+ memcpy(&tmpi, &src[sidx].i, sizeof(tmpi));
+ tmp = tmpi;
+ memcpy(&dst[didx].f, &tmp, sizeof(tmp));
+ break;
+ }
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ break;
+
+ case GLSL_TYPE_INT:
+ switch (uni->type->base_type) {
+ case GLSL_TYPE_FLOAT:
+ /* While the GL 3.2 core spec doesn't explicitly
+ * state how conversion of float uniforms to integer
+ * values works, in section 6.2 "State Tables" on
+ * page 267 it says:
+ *
+ * "Unless otherwise specified, when floating
+ * point state is returned as integer values or
+ * integer state is returned as floating-point
+ * values it is converted in the fashion
+ * described in section 6.1.2"
+ *
+ * That section, on page 248, says:
+ *
+ * "If GetIntegerv or GetInteger64v are called,
+ * a floating-point value is rounded to the
+ * nearest integer..."
+ */
+ dst[didx].i = IROUND(src[sidx].f);
+ break;
+ case GLSL_TYPE_BOOL:
+ dst[didx].i = src[sidx].i ? 1 : 0;
+ break;
+ case GLSL_TYPE_UINT:
+ dst[didx].i = MIN2(src[sidx].i, INT_MAX);
+ break;
+ case GLSL_TYPE_DOUBLE: {
+ double tmp;
+ memcpy(&tmp, &src[sidx].f, sizeof(tmp));
+ dst[didx].i = IROUNDD(tmp);
+ break;
+ }
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &src[sidx].u, sizeof(tmp));
+ dst[didx].i = tmp;
+ break;
+ }
+ case GLSL_TYPE_INT64: {
+ int64_t tmp;
+ memcpy(&tmp, &src[sidx].i, sizeof(tmp));
+ dst[didx].i = tmp;
+ break;
+ }
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ break;
+
+ case GLSL_TYPE_UINT:
+ switch (uni->type->base_type) {
+ case GLSL_TYPE_FLOAT:
+ /* The spec isn't terribly clear how to handle negative
+ * values with an unsigned return type.
+ *
+ * GL 4.5 section 2.2.2 ("Data Conversions for State
+ * Query Commands") says:
+ *
+ * "If a value is so large in magnitude that it cannot be
+ * represented by the returned data type, then the nearest
+ * value representable using the requested type is
+ * returned."
+ */
+ dst[didx].u = src[sidx].f < 0.0f ?
+ 0u : (uint32_t) roundf(src[sidx].f);
+ break;
+ case GLSL_TYPE_BOOL:
+ dst[didx].i = src[sidx].i ? 1 : 0;
+ break;
+ case GLSL_TYPE_INT:
+ dst[didx].i = MAX2(src[sidx].i, 0);
+ break;
+ case GLSL_TYPE_DOUBLE: {
+ double tmp;
+ memcpy(&tmp, &src[sidx].f, sizeof(tmp));
+ dst[didx].u = tmp < 0.0 ? 0u : (uint32_t) round(tmp);
+ break;
+ }
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &src[sidx].u, sizeof(tmp));
+ dst[didx].i = MIN2(tmp, INT_MAX);
+ break;
+ }
+ case GLSL_TYPE_INT64: {
+ int64_t tmp;
+ memcpy(&tmp, &src[sidx].i, sizeof(tmp));
+ dst[didx].i = MAX2(tmp, 0);
+ break;
+ }
+ default:
+ unreachable("invalid uniform type");
+ }
+ break;
+
+ case GLSL_TYPE_INT64:
+ case GLSL_TYPE_UINT64:
+ switch (uni->type->base_type) {
+ case GLSL_TYPE_UINT: {
+ uint64_t tmp = src[sidx].u;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_SAMPLER:
+ case GLSL_TYPE_IMAGE: {
+ int64_t tmp = src[sidx].i;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_BOOL: {
+ int64_t tmp = src[sidx].i ? 1.0f : 0.0f;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
+ break;
+ }
+ case GLSL_TYPE_FLOAT: {
+ int64_t tmp = src[sidx].f;
+ memcpy(&dst[didx].u, &tmp, sizeof(tmp));
+ break;
+ }
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ break;
+
+ default:
+ assert(!"Should not get here.");
+ break;
+ }
+ }
}
}
}
case GLSL_TYPE_INT:
printf("%d ", v[i].i);
break;
+ case GLSL_TYPE_UINT64: {
+ uint64_t tmp;
+ memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+ printf("%" PRIu64 " ", tmp);
+ break;
+ }
+ case GLSL_TYPE_INT64: {
+ int64_t tmp;
+ memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+ printf("%" PRId64 " ", tmp);
+ break;
+ }
case GLSL_TYPE_FLOAT:
printf("%g ", v[i].f);
break;
+ case GLSL_TYPE_DOUBLE: {
+ double tmp;
+ memcpy(&tmp, &v[i * 2].f, sizeof(tmp));
+ printf("%g ", tmp);
+ break;
+ }
default:
assert(!"Should not get here.");
break;
static void
log_program_parameters(const struct gl_shader_program *shProg)
{
- static const char *stages[] = {
- "vertex", "fragment", "geometry"
- };
-
- assert(Elements(stages) == MESA_SHADER_TYPES);
-
- for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
+ for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
if (shProg->_LinkedShaders[i] == NULL)
continue;
const struct gl_program *const prog = shProg->_LinkedShaders[i]->Program;
printf("Program %d %s shader parameters:\n",
- shProg->Name, stages[i]);
+ shProg->Name, _mesa_shader_stage_to_string(i));
for (unsigned j = 0; j < prog->Parameters->NumParameters; j++) {
printf("%s: %p %f %f %f %f\n",
prog->Parameters->Parameters[j].Name,
{
unsigned i;
- /* vector_elements and matrix_columns can be 0 for samplers.
- */
- const unsigned components = MAX2(1, uni->type->vector_elements);
- const unsigned vectors = MAX2(1, uni->type->matrix_columns);
+ const unsigned components = uni->type->vector_elements;
+ const unsigned vectors = uni->type->matrix_columns;
+ const int dmul = uni->type->is_64bit() ? 2 : 1;
/* Store the data in the driver's requested type in the driver's storage
* areas.
*/
- unsigned src_vector_byte_stride = components * 4;
+ unsigned src_vector_byte_stride = components * 4 * dmul;
for (i = 0; i < uni->num_driver_storage; i++) {
struct gl_uniform_driver_storage *const store = &uni->driver_storage[i];
const unsigned extra_stride =
store->element_stride - (vectors * store->vector_stride);
const uint8_t *src =
- (uint8_t *) (&uni->storage[array_index * (components * vectors)].i);
+ (uint8_t *) (&uni->storage[array_index * (dmul * components * vectors)].i);
#if 0
printf("%s: %p[%d] components=%u vectors=%u count=%u vector_stride=%u "
dst += array_index * store->element_stride;
switch (store->format) {
- case uniform_native:
- case uniform_bool_int_0_1: {
+ case uniform_native: {
unsigned j;
unsigned v;
- for (j = 0; j < count; j++) {
- for (v = 0; v < vectors; v++) {
- memcpy(dst, src, src_vector_byte_stride);
- src += src_vector_byte_stride;
- dst += store->vector_stride;
- }
-
- dst += extra_stride;
- }
- break;
- }
+ if (src_vector_byte_stride == store->vector_stride) {
+ if (extra_stride) {
+ for (j = 0; j < count; j++) {
+ memcpy(dst, src, src_vector_byte_stride * vectors);
+ src += src_vector_byte_stride * vectors;
+ dst += store->vector_stride * vectors;
- case uniform_int_float:
- case uniform_bool_float: {
- const int *isrc = (const int *) src;
- unsigned j;
- unsigned v;
- unsigned c;
-
- for (j = 0; j < count; j++) {
- for (v = 0; v < vectors; v++) {
- for (c = 0; c < components; c++) {
- ((float *) dst)[c] = (float) *isrc;
- isrc++;
+ dst += extra_stride;
}
-
- dst += store->vector_stride;
+ } else {
+ /* Unigine Heaven benchmark gets here */
+ memcpy(dst, src, src_vector_byte_stride * vectors * count);
+ src += src_vector_byte_stride * vectors * count;
+ dst += store->vector_stride * vectors * count;
}
+ } else {
+ for (j = 0; j < count; j++) {
+ for (v = 0; v < vectors; v++) {
+ memcpy(dst, src, src_vector_byte_stride);
+ src += src_vector_byte_stride;
+ dst += store->vector_stride;
+ }
- dst += extra_stride;
+ dst += extra_stride;
+ }
}
break;
}
- case uniform_bool_int_0_not0: {
+ case uniform_int_float: {
const int *isrc = (const int *) src;
unsigned j;
unsigned v;
for (j = 0; j < count; j++) {
for (v = 0; v < vectors; v++) {
for (c = 0; c < components; c++) {
- ((int *) dst)[c] = *isrc == 0 ? 0 : ~0;
+ ((float *) dst)[c] = (float) *isrc;
isrc++;
}
}
}
+
/**
- * Called via glUniform*() functions.
+ * Return printable string for a given GLSL_TYPE_x
*/
-extern "C" void
-_mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg,
- GLint location, GLsizei count,
- const GLvoid *values, GLenum type)
+static const char *
+glsl_type_name(enum glsl_base_type type)
{
- unsigned loc, offset;
- unsigned components;
- unsigned src_components;
- enum glsl_base_type basicType;
- struct gl_uniform_storage *uni;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!validate_uniform_parameters(ctx, shProg, location, count,
- &loc, &offset, "glUniform", false))
- return;
-
- uni = &shProg->UniformStorage[loc];
-
- /* Verify that the types are compatible.
- */
switch (type) {
- case GL_FLOAT:
- basicType = GLSL_TYPE_FLOAT;
- src_components = 1;
- break;
- case GL_FLOAT_VEC2:
- basicType = GLSL_TYPE_FLOAT;
- src_components = 2;
- break;
- case GL_FLOAT_VEC3:
- basicType = GLSL_TYPE_FLOAT;
- src_components = 3;
- break;
- case GL_FLOAT_VEC4:
- basicType = GLSL_TYPE_FLOAT;
- src_components = 4;
- break;
- case GL_UNSIGNED_INT:
- basicType = GLSL_TYPE_UINT;
- src_components = 1;
- break;
- case GL_UNSIGNED_INT_VEC2:
- basicType = GLSL_TYPE_UINT;
- src_components = 2;
- break;
- case GL_UNSIGNED_INT_VEC3:
- basicType = GLSL_TYPE_UINT;
- src_components = 3;
- break;
- case GL_UNSIGNED_INT_VEC4:
- basicType = GLSL_TYPE_UINT;
- src_components = 4;
- break;
- case GL_INT:
- basicType = GLSL_TYPE_INT;
- src_components = 1;
- break;
- case GL_INT_VEC2:
- basicType = GLSL_TYPE_INT;
- src_components = 2;
- break;
- case GL_INT_VEC3:
- basicType = GLSL_TYPE_INT;
- src_components = 3;
- break;
- case GL_INT_VEC4:
- basicType = GLSL_TYPE_INT;
- src_components = 4;
- break;
- case GL_BOOL:
- case GL_BOOL_VEC2:
- case GL_BOOL_VEC3:
- case GL_BOOL_VEC4:
- case GL_FLOAT_MAT2:
- case GL_FLOAT_MAT2x3:
- case GL_FLOAT_MAT2x4:
- case GL_FLOAT_MAT3x2:
- case GL_FLOAT_MAT3:
- case GL_FLOAT_MAT3x4:
- case GL_FLOAT_MAT4x2:
- case GL_FLOAT_MAT4x3:
- case GL_FLOAT_MAT4:
+ case GLSL_TYPE_UINT:
+ return "uint";
+ case GLSL_TYPE_INT:
+ return "int";
+ case GLSL_TYPE_FLOAT:
+ return "float";
+ case GLSL_TYPE_DOUBLE:
+ return "double";
+ case GLSL_TYPE_UINT64:
+ return "uint64";
+ case GLSL_TYPE_INT64:
+ return "int64";
+ case GLSL_TYPE_BOOL:
+ return "bool";
+ case GLSL_TYPE_SAMPLER:
+ return "sampler";
+ case GLSL_TYPE_IMAGE:
+ return "image";
+ case GLSL_TYPE_ATOMIC_UINT:
+ return "atomic_uint";
+ case GLSL_TYPE_STRUCT:
+ return "struct";
+ case GLSL_TYPE_INTERFACE:
+ return "interface";
+ case GLSL_TYPE_ARRAY:
+ return "array";
+ case GLSL_TYPE_VOID:
+ return "void";
+ case GLSL_TYPE_ERROR:
+ return "error";
default:
- _mesa_problem(NULL, "Invalid type in %s", __func__);
- return;
+ return "other";
}
+}
- if (uni->type->is_sampler()) {
- components = 1;
- } else {
- components = uni->type->vector_elements;
+
+static struct gl_uniform_storage *
+validate_uniform(GLint location, GLsizei count, const GLvoid *values,
+ unsigned *offset, struct gl_context *ctx,
+ struct gl_shader_program *shProg,
+ enum glsl_base_type basicType, unsigned src_components)
+{
+ struct gl_uniform_storage *const uni =
+ validate_uniform_parameters(location, count, offset,
+ ctx, shProg, "glUniform");
+ if (uni == NULL)
+ return NULL;
+
+ if (uni->type->is_matrix()) {
+ /* Can't set matrix uniforms (like mat4) with glUniform */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glUniform%u(uniform \"%s\"@%d is matrix)",
+ src_components, uni->name, location);
+ return NULL;
+ }
+
+ /* Verify that the types are compatible. */
+ const unsigned components = uni->type->vector_elements;
+
+ if (components != src_components) {
+ /* glUniformN() must match float/vecN type */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glUniform%u(\"%s\"@%u has %u components, not %u)",
+ src_components, uni->name, location,
+ components, src_components);
+ return NULL;
}
bool match;
switch (uni->type->base_type) {
case GLSL_TYPE_BOOL:
- match = true;
+ match = (basicType != GLSL_TYPE_DOUBLE);
break;
case GLSL_TYPE_SAMPLER:
match = (basicType == GLSL_TYPE_INT);
break;
+ case GLSL_TYPE_IMAGE:
+ match = (basicType == GLSL_TYPE_INT && _mesa_is_desktop_gl(ctx));
+ break;
default:
match = (basicType == uni->type->base_type);
break;
}
- if (uni->type->is_matrix() || components != src_components || !match) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glUniform(type mismatch)");
- return;
+ if (!match) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glUniform%u(\"%s\"@%d is %s, not %s)",
+ src_components, uni->name, location,
+ glsl_type_name(uni->type->base_type),
+ glsl_type_name(basicType));
+ return NULL;
}
- if (ctx->Shader.Flags & GLSL_UNIFORMS) {
+ if (unlikely(ctx->_Shader->Flags & GLSL_UNIFORMS)) {
log_uniform(values, basicType, components, 1, count,
- false, shProg, location, uni);
+ false, shProg, location, uni);
}
/* Page 100 (page 116 of the PDF) of the OpenGL 3.0 spec says:
* GL_INVALID_VALUE error and ignore the command.
*/
if (uni->type->is_sampler()) {
- int i;
-
- for (i = 0; i < count; i++) {
- const unsigned texUnit = ((unsigned *) values)[i];
+ for (int i = 0; i < count; i++) {
+ const unsigned texUnit = ((unsigned *) values)[i];
/* check that the sampler (tex unit index) is legal */
if (texUnit >= ctx->Const.MaxCombinedTextureImageUnits) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glUniform1i(invalid sampler/tex unit index for "
- "uniform %d)",
+ "uniform %d)", location);
+ return NULL;
+ }
+ }
+ /* We need to reset the validate flag on changes to samplers in case
+ * two different sampler types are set to the same texture unit.
+ */
+ ctx->_Shader->Validated = GL_FALSE;
+ }
+
+ if (uni->type->is_image()) {
+ for (int i = 0; i < count; i++) {
+ const int unit = ((GLint *) values)[i];
+
+ /* check that the image unit is legal */
+ if (unit < 0 || unit >= (int)ctx->Const.MaxImageUnits) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glUniform1i(invalid image unit index for uniform %d)",
location);
- return;
+ return NULL;
}
}
}
+ return uni;
+}
+
+
+/**
+ * Called via glUniform*() functions.
+ */
+extern "C" void
+_mesa_uniform(GLint location, GLsizei count, const GLvoid *values,
+ struct gl_context *ctx, struct gl_shader_program *shProg,
+ enum glsl_base_type basicType, unsigned src_components)
+{
+ unsigned offset;
+ int size_mul = glsl_base_type_is_64bit(basicType) ? 2 : 1;
+
+ struct gl_uniform_storage *uni;
+ if (_mesa_is_no_error_enabled(ctx)) {
+ /* From Seciton 7.6 (UNIFORM VARIABLES) of the OpenGL 4.5 spec:
+ *
+ * "If the value of location is -1, the Uniform* commands will
+ * silently ignore the data passed in, and the current uniform values
+ * will not be changed.
+ */
+ if (location == -1)
+ return;
+
+ uni = shProg->UniformRemapTable[location];
+
+ /* The array index specified by the uniform location is just the
+ * uniform location minus the base location of of the uniform.
+ */
+ assert(uni->array_elements > 0 || location == (int)uni->remap_location);
+ offset = location - uni->remap_location;
+ } else {
+ uni = validate_uniform(location, count, values, &offset, ctx, shProg,
+ basicType, src_components);
+ if (!uni)
+ return;
+ }
+
+ const unsigned components = uni->type->vector_elements;
+
/* Page 82 (page 96 of the PDF) of the OpenGL 2.1 spec says:
*
* "When loading N elements starting at an arbitrary position k in a
/* Store the data in the "actual type" backing storage for the uniform.
*/
if (!uni->type->is_boolean()) {
- memcpy(&uni->storage[components * offset], values,
- sizeof(uni->storage[0]) * components * count);
+ memcpy(&uni->storage[size_mul * components * offset], values,
+ sizeof(uni->storage[0]) * components * count * size_mul);
} else {
const union gl_constant_value *src =
- (const union gl_constant_value *) values;
+ (const union gl_constant_value *) values;
union gl_constant_value *dst = &uni->storage[components * offset];
const unsigned elems = components * count;
- unsigned i;
- for (i = 0; i < elems; i++) {
- if (basicType == GLSL_TYPE_FLOAT) {
- dst[i].i = src[i].f != 0.0f ? 1 : 0;
- } else {
- dst[i].i = src[i].i != 0 ? 1 : 0;
- }
+ for (unsigned i = 0; i < elems; i++) {
+ if (basicType == GLSL_TYPE_FLOAT) {
+ dst[i].i = src[i].f != 0.0f ? ctx->Const.UniformBooleanTrue : 0;
+ } else {
+ dst[i].i = src[i].i != 0 ? ctx->Const.UniformBooleanTrue : 0;
+ }
}
}
- uni->initialized = true;
-
_mesa_propagate_uniforms_to_driver_storage(uni, offset, count);
/* If the uniform is a sampler, do the extra magic necessary to propagate
* the changes through.
*/
if (uni->type->is_sampler()) {
- int i;
+ bool flushed = false;
- for (i = 0; i < count; i++) {
- shProg->SamplerUnits[uni->sampler + offset + i] =
- ((unsigned *) values)[i];
- }
+ shProg->SamplersValidated = GL_TRUE;
- bool flushed = false;
- for (i = 0; i < MESA_SHADER_TYPES; i++) {
- struct gl_shader *const sh = shProg->_LinkedShaders[i];
-
- /* If the shader stage doesn't use any samplers, don't bother
- * checking if any samplers have changed.
- */
- if (sh == NULL || sh->active_samplers == 0)
- continue;
-
- struct gl_program *const prog = sh->Program;
-
- assert(sizeof(prog->SamplerUnits) == sizeof(shProg->SamplerUnits));
-
- /* Determine if any of the samplers used by this shader stage have
- * been modified.
- */
- bool changed = false;
- for (unsigned j = 0; j < Elements(prog->SamplerUnits); j++) {
- if ((sh->active_samplers & (1U << j)) != 0
- && (prog->SamplerUnits[j] != shProg->SamplerUnits[j])) {
- changed = true;
- break;
- }
- }
+ for (int i = 0; i < MESA_SHADER_STAGES; i++) {
+ struct gl_linked_shader *const sh = shProg->_LinkedShaders[i];
- if (changed) {
- if (!flushed) {
- FLUSH_VERTICES(ctx, _NEW_TEXTURE | _NEW_PROGRAM);
- flushed = true;
- }
+ /* If the shader stage doesn't use the sampler uniform, skip this. */
+ if (!uni->opaque[i].active)
+ continue;
- memcpy(prog->SamplerUnits,
- shProg->SamplerUnits,
- sizeof(shProg->SamplerUnits));
+ bool changed = false;
+ for (int j = 0; j < count; j++) {
+ unsigned unit = uni->opaque[i].index + offset + j;
+ if (sh->Program->SamplerUnits[unit] != ((unsigned *) values)[j]) {
+ sh->Program->SamplerUnits[unit] = ((unsigned *) values)[j];
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ if (!flushed) {
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE_OBJECT | _NEW_PROGRAM);
+ flushed = true;
+ }
- _mesa_update_shader_textures_used(shProg, prog);
+ struct gl_program *const prog = sh->Program;
+ _mesa_update_shader_textures_used(shProg, prog);
if (ctx->Driver.SamplerUniformChange)
- ctx->Driver.SamplerUniformChange(ctx, prog->Target, prog);
- }
+ ctx->Driver.SamplerUniformChange(ctx, prog->Target, prog);
+ }
+ }
+ }
+
+ /* If the uniform is an image, update the mapping from image
+ * uniforms to image units present in the shader data structure.
+ */
+ if (uni->type->is_image()) {
+ for (int i = 0; i < MESA_SHADER_STAGES; i++) {
+ struct gl_linked_shader *sh = shProg->_LinkedShaders[i];
+
+ /* If the shader stage doesn't use the image uniform, skip this. */
+ if (!uni->opaque[i].active)
+ continue;
+
+ for (int j = 0; j < count; j++)
+ sh->Program->sh.ImageUnits[uni->opaque[i].index + offset + j] =
+ ((GLint *) values)[j];
}
+
+ ctx->NewDriverState |= ctx->DriverFlags.NewImageUnits;
}
}
* Note: cols=2, rows=4 ==> array[2] of vec4
*/
extern "C" void
-_mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
- GLuint cols, GLuint rows,
- GLint location, GLsizei count,
- GLboolean transpose, const GLfloat *values)
+_mesa_uniform_matrix(GLint location, GLsizei count,
+ GLboolean transpose, const void *values,
+ struct gl_context *ctx, struct gl_shader_program *shProg,
+ GLuint cols, GLuint rows, enum glsl_base_type basicType)
{
- unsigned loc, offset;
- unsigned vectors;
- unsigned components;
- unsigned elements;
- struct gl_uniform_storage *uni;
-
- ASSERT_OUTSIDE_BEGIN_END(ctx);
-
- if (!validate_uniform_parameters(ctx, shProg, location, count,
- &loc, &offset, "glUniformMatrix", false))
+ unsigned offset;
+ struct gl_uniform_storage *const uni =
+ validate_uniform_parameters(location, count, &offset,
+ ctx, shProg, "glUniformMatrix");
+ if (uni == NULL)
return;
- uni = &shProg->UniformStorage[loc];
if (!uni->type->is_matrix()) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUniformMatrix(non-matrix uniform)");
return;
}
+ assert(basicType == GLSL_TYPE_FLOAT || basicType == GLSL_TYPE_DOUBLE);
+ const unsigned size_mul = basicType == GLSL_TYPE_DOUBLE ? 2 : 1;
+
assert(!uni->type->is_sampler());
- vectors = uni->type->matrix_columns;
- components = uni->type->vector_elements;
+ const unsigned vectors = uni->type->matrix_columns;
+ const unsigned components = uni->type->vector_elements;
/* Verify that the types are compatible. This is greatly simplified for
* matrices because they can only have a float base type.
}
/* GL_INVALID_VALUE is generated if `transpose' is not GL_FALSE.
- * http://www.khronos.org/opengles/sdk/docs/man/xhtml/glUniform.xml */
- if (ctx->API == API_OPENGLES
- || (ctx->API == API_OPENGLES2 && ctx->Version < 30)) {
- if (transpose) {
+ * http://www.khronos.org/opengles/sdk/docs/man/xhtml/glUniform.xml
+ */
+ if (transpose) {
+ if (ctx->API == API_OPENGLES2 && ctx->Version < 30) {
_mesa_error(ctx, GL_INVALID_VALUE,
"glUniformMatrix(matrix transpose is not GL_FALSE)");
return;
}
}
- if (ctx->Shader.Flags & GLSL_UNIFORMS) {
- log_uniform(values, GLSL_TYPE_FLOAT, components, vectors, count,
+ /* Section 2.11.7 (Uniform Variables) of the OpenGL 4.2 Core Profile spec
+ * says:
+ *
+ * "If any of the following conditions occur, an INVALID_OPERATION
+ * error is generated by the Uniform* commands, and no uniform values
+ * are changed:
+ *
+ * ...
+ *
+ * - if the uniform declared in the shader is not of type boolean and
+ * the type indicated in the name of the Uniform* command used does
+ * not match the type of the uniform"
+ *
+ * There are no Boolean matrix types, so we do not need to allow
+ * GLSL_TYPE_BOOL here (as _mesa_uniform does).
+ */
+ if (uni->type->base_type != basicType) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glUniformMatrix%ux%u(\"%s\"@%d is %s, not %s)",
+ cols, rows, uni->name, location,
+ glsl_type_name(uni->type->base_type),
+ glsl_type_name(basicType));
+ return;
+ }
+
+ if (unlikely(ctx->_Shader->Flags & GLSL_UNIFORMS)) {
+ log_uniform(values, uni->type->base_type, components, vectors, count,
bool(transpose), shProg, location, uni);
}
/* Store the data in the "actual type" backing storage for the uniform.
*/
- elements = components * vectors;
+ const unsigned elements = components * vectors;
if (!transpose) {
- memcpy(&uni->storage[elements * offset], values,
- sizeof(uni->storage[0]) * elements * count);
- } else {
+ memcpy(&uni->storage[size_mul * elements * offset], values,
+ sizeof(uni->storage[0]) * elements * count * size_mul);
+ } else if (basicType == GLSL_TYPE_FLOAT) {
/* Copy and transpose the matrix.
*/
- const float *src = values;
+ const float *src = (const float *)values;
float *dst = &uni->storage[elements * offset].f;
for (int i = 0; i < count; i++) {
dst += elements;
src += elements;
}
- }
-
- uni->initialized = true;
-
- _mesa_propagate_uniforms_to_driver_storage(uni, offset, count);
-}
-
-/**
- * Called via glGetUniformLocation().
- *
- * Returns the uniform index into UniformStorage (also the
- * glGetActiveUniformsiv uniform index), and stores the referenced
- * array offset in *offset, or GL_INVALID_INDEX (-1). Those two
- * return values can be encoded into a uniform location for
- * glUniform* using _mesa_uniform_merge_location_offset(index, offset).
- */
-extern "C" unsigned
-_mesa_get_uniform_location(struct gl_context *ctx,
- struct gl_shader_program *shProg,
- const GLchar *name,
- unsigned *out_offset)
-{
- const size_t len = strlen(name);
- long offset;
- bool array_lookup;
- char *name_copy;
-
- /* If the name ends with a ']', assume that it refers to some element of an
- * array. Malformed array references will fail the hash table look up
- * below, so it doesn't matter that they are not caught here. This code
- * only wants to catch the "leaf" array references so that arrays of
- * structures containing arrays will be handled correctly.
- */
- if (name[len-1] == ']') {
- unsigned i;
-
- /* Walk backwards over the string looking for a non-digit character.
- * This had better be the opening bracket for an array index.
- *
- * Initially, i specifies the location of the ']'. Since the string may
- * contain only the ']' charcater, walk backwards very carefully.
- */
- for (i = len - 1; (i > 0) && isdigit(name[i-1]); --i)
- /* empty */ ;
-
- /* Page 80 (page 94 of the PDF) of the OpenGL 2.1 spec says:
- *
- * "The first element of a uniform array is identified using the
- * name of the uniform array appended with "[0]". Except if the last
- * part of the string name indicates a uniform array, then the
- * location of the first element of that array can be retrieved by
- * either using the name of the uniform array, or the name of the
- * uniform array appended with "[0]"."
- *
- * Page 79 (page 93 of the PDF) of the OpenGL 2.1 spec says:
- *
- * "name must be a null terminated string, without white space."
- *
- * Return an error if there is no opening '[' to match the closing ']'.
- * An error will also be returned if there is intervening white space
- * (or other non-digit characters) before the opening '['.
- */
- if ((i == 0) || name[i-1] != '[')
- return GL_INVALID_INDEX;
+ } else {
+ assert(basicType == GLSL_TYPE_DOUBLE);
+ const double *src = (const double *)values;
+ double *dst = (double *)&uni->storage[elements * offset].f;
- /* Return an error if there are no digits between the opening '[' to
- * match the closing ']'.
- */
- if (i == (len - 1))
- return GL_INVALID_INDEX;
+ for (int i = 0; i < count; i++) {
+ for (unsigned r = 0; r < rows; r++) {
+ for (unsigned c = 0; c < cols; c++) {
+ dst[(c * components) + r] = src[c + (r * vectors)];
+ }
+ }
- /* Make a new string that is a copy of the old string up to (but not
- * including) the '[' character.
- */
- name_copy = (char *) malloc(i);
- memcpy(name_copy, name, i - 1);
- name_copy[i-1] = '\0';
-
- offset = strtol(&name[i], NULL, 10);
- if (offset < 0) {
- free(name_copy);
- return GL_INVALID_INDEX;
+ dst += elements;
+ src += elements;
}
-
- array_lookup = true;
- } else {
- name_copy = (char *) name;
- offset = 0;
- array_lookup = false;
}
- unsigned location = 0;
- const bool found = shProg->UniformHash->get(location, name_copy);
-
- assert(!found
- || strcmp(name_copy, shProg->UniformStorage[location].name) == 0);
-
- /* Free the temporary buffer *before* possibly returning an error.
- */
- if (name_copy != name)
- free(name_copy);
+ _mesa_propagate_uniforms_to_driver_storage(uni, offset, count);
+}
- if (!found)
- return GL_INVALID_INDEX;
- /* If the uniform is an array, fail if the index is out of bounds.
- * (A negative index is caught above.) This also fails if the uniform
- * is not an array, but the user is trying to index it, because
- * array_elements is zero and offset >= 0.
- */
- if (array_lookup
- && offset >= (long) shProg->UniformStorage[location].array_elements) {
- return GL_INVALID_INDEX;
+extern "C" bool
+_mesa_sampler_uniforms_are_valid(const struct gl_shader_program *shProg,
+ char *errMsg, size_t errMsgLength)
+{
+ /* Shader does not have samplers. */
+ if (shProg->data->NumUniformStorage == 0)
+ return true;
+
+ if (!shProg->SamplersValidated) {
+ _mesa_snprintf(errMsg, errMsgLength,
+ "active samplers with a different type "
+ "refer to the same texture image unit");
+ return false;
}
-
- *out_offset = offset;
- return location;
+ return true;
}
extern "C" bool
-_mesa_sampler_uniforms_are_valid(const struct gl_shader_program *shProg,
- char *errMsg, size_t errMsgLength)
+_mesa_sampler_uniforms_pipeline_are_valid(struct gl_pipeline_object *pipeline)
{
- const glsl_type *unit_types[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
+ /* Section 2.11.11 (Shader Execution), subheading "Validation," of the
+ * OpenGL 4.1 spec says:
+ *
+ * "[INVALID_OPERATION] is generated by any command that transfers
+ * vertices to the GL if:
+ *
+ * ...
+ *
+ * - Any two active samplers in the current program object are of
+ * different types, but refer to the same texture image unit.
+ *
+ * - The number of active samplers in the program exceeds the
+ * maximum number of texture image units allowed."
+ */
- memset(unit_types, 0, sizeof(unit_types));
+ GLbitfield mask;
+ GLbitfield TexturesUsed[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
+ unsigned active_samplers = 0;
+ const struct gl_program **prog =
+ (const struct gl_program **) pipeline->CurrentProgram;
+
+
+ memset(TexturesUsed, 0, sizeof(TexturesUsed));
+
+ for (unsigned idx = 0; idx < ARRAY_SIZE(pipeline->CurrentProgram); idx++) {
+ if (!prog[idx])
+ continue;
+
+ mask = prog[idx]->SamplersUsed;
+ while (mask) {
+ const int s = u_bit_scan(&mask);
+ GLuint unit = prog[idx]->SamplerUnits[s];
+ GLuint tgt = prog[idx]->sh.SamplerTargets[s];
+
+ /* FIXME: Samplers are initialized to 0 and Mesa doesn't do a
+ * great job of eliminating unused uniforms currently so for now
+ * don't throw an error if two sampler types both point to 0.
+ */
+ if (unit == 0)
+ continue;
+
+ if (TexturesUsed[unit] & ~(1 << tgt)) {
+ pipeline->InfoLog =
+ ralloc_asprintf(pipeline,
+ "Program %d: "
+ "Texture unit %d is accessed with 2 different types",
+ prog[idx]->Id, unit);
+ return false;
+ }
- for (unsigned i = 0; i < shProg->NumUserUniformStorage; i++) {
- const struct gl_uniform_storage *const storage =
- &shProg->UniformStorage[i];
- const glsl_type *const t = (storage->type->is_array())
- ? storage->type->fields.array : storage->type;
+ TexturesUsed[unit] |= (1 << tgt);
+ }
- if (!t->is_sampler())
- continue;
+ active_samplers += prog[idx]->info.num_textures;
+ }
- const unsigned count = MAX2(1, storage->type->array_size());
- for (unsigned j = 0; j < count; j++) {
- const unsigned unit = storage->storage[j].i;
-
- /* The types of the samplers associated with a particular texture
- * unit must be an exact match. Page 74 (page 89 of the PDF) of the
- * OpenGL 3.3 core spec says:
- *
- * "It is not allowed to have variables of different sampler
- * types pointing to the same texture image unit within a program
- * object."
- */
- if (unit_types[unit] == NULL) {
- unit_types[unit] = t;
- } else if (unit_types[unit] != t) {
- _mesa_snprintf(errMsg, errMsgLength,
- "Texture unit %d is accessed both as %s and %s",
- unit, unit_types[unit]->name, t->name);
- return false;
- }
- }
+ if (active_samplers > MAX_COMBINED_TEXTURE_IMAGE_UNITS) {
+ pipeline->InfoLog =
+ ralloc_asprintf(pipeline,
+ "the number of active samplers %d exceed the "
+ "maximum %d",
+ active_samplers, MAX_COMBINED_TEXTURE_IMAGE_UNITS);
+ return false;
}
return true;
projects / mesa.git / blobdiff