*/
+#include <stdbool.h>
#include "main/glheader.h"
#include "main/context.h"
#include "main/dispatch.h"
#include "main/enums.h"
#include "main/hash.h"
-#include "main/hash_table.h"
#include "main/mtypes.h"
+#include "main/pipelineobj.h"
#include "main/shaderapi.h"
#include "main/shaderobj.h"
#include "main/transformfeedback.h"
#include "main/uniforms.h"
+#include "compiler/glsl/glsl_parser_extras.h"
+#include "compiler/glsl/ir.h"
+#include "compiler/glsl/ir_uniform.h"
+#include "compiler/glsl/program.h"
#include "program/program.h"
#include "program/prog_print.h"
#include "program/prog_parameter.h"
-#include "ralloc.h"
-#include <stdbool.h>
-#include "../glsl/glsl_parser_extras.h"
-#include "../glsl/ir.h"
-#include "../glsl/ir_uniform.h"
-#include "../glsl/program.h"
-
-/** Define this to enable shader substitution (see below) */
-#define SHADER_SUBST 0
+#include "util/ralloc.h"
+#include "util/hash_table.h"
+#include "util/mesa-sha1.h"
/**
* Return mask of GLSL_x flags by examining the MESA_GLSL env var.
*/
-static GLbitfield
-get_shader_flags(void)
+GLbitfield
+_mesa_get_shader_flags(void)
{
GLbitfield flags = 0x0;
- const char *env = _mesa_getenv("MESA_GLSL");
+ const char *env = getenv("MESA_GLSL");
if (env) {
if (strstr(env, "dump_on_error"))
*/
struct gl_shader_compiler_options options;
gl_shader_stage sh;
+ int i;
memset(&options, 0, sizeof(options));
options.MaxUnrollIterations = 32;
options.MaxIfDepth = UINT_MAX;
- /* Default pragma settings */
- options.DefaultPragmas.Optimize = GL_TRUE;
-
for (sh = 0; sh < MESA_SHADER_STAGES; ++sh)
- memcpy(&ctx->ShaderCompilerOptions[sh], &options, sizeof(options));
+ memcpy(&ctx->Const.ShaderCompilerOptions[sh], &options, sizeof(options));
+
+ ctx->Shader.Flags = _mesa_get_shader_flags();
+
+ if (ctx->Shader.Flags != 0)
+ ctx->Const.GenerateTemporaryNames = true;
+
+ /* Extended for ARB_separate_shader_objects */
+ ctx->Shader.RefCount = 1;
+ mtx_init(&ctx->Shader.Mutex, mtx_plain);
- ctx->Shader.Flags = get_shader_flags();
+ ctx->TessCtrlProgram.patch_vertices = 3;
+ for (i = 0; i < 4; ++i)
+ ctx->TessCtrlProgram.patch_default_outer_level[i] = 1.0;
+ for (i = 0; i < 2; ++i)
+ ctx->TessCtrlProgram.patch_default_inner_level[i] = 1.0;
}
_mesa_reference_shader_program(ctx, &ctx->Shader._CurrentFragmentProgram,
NULL);
_mesa_reference_shader_program(ctx, &ctx->Shader.ActiveProgram, NULL);
+
+ /* Extended for ARB_separate_shader_objects */
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, NULL);
+
+ assert(ctx->Shader.RefCount == 1);
+ mtx_destroy(&ctx->Shader.Mutex);
}
return ctx == NULL || ctx->Extensions.ARB_vertex_shader;
case GL_GEOMETRY_SHADER_ARB:
return ctx == NULL || _mesa_has_geometry_shaders(ctx);
+ case GL_TESS_CONTROL_SHADER:
+ case GL_TESS_EVALUATION_SHADER:
+ return ctx == NULL || _mesa_has_tessellation(ctx);
case GL_COMPUTE_SHADER:
- return ctx == NULL || ctx->Extensions.ARB_compute_shader;
+ return ctx == NULL || _mesa_has_compute_shaders(ctx);
default:
return false;
}
}
/* grow list */
- shProg->Shaders = (struct gl_shader **)
- _mesa_realloc(shProg->Shaders,
- n * sizeof(struct gl_shader *),
- (n + 1) * sizeof(struct gl_shader *));
+ shProg->Shaders = realloc(shProg->Shaders,
+ (n + 1) * sizeof(struct gl_shader *));
if (!shProg->Shaders) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glAttachShader");
return;
GLuint name;
if (!_mesa_validate_shader_target(ctx, type)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "CreateShader(type)");
+ _mesa_error(ctx, GL_INVALID_ENUM, "CreateShader(%s)",
+ _mesa_enum_to_string(type));
return 0;
}
}
-static GLuint
+static GLuint
create_shader_program(struct gl_context *ctx)
{
GLuint name;
name = _mesa_HashFindFreeKeyBlock(ctx->Shared->ShaderObjects, 1);
- shProg = ctx->Driver.NewShaderProgram(ctx, name);
+ shProg = _mesa_new_shader_program(name);
_mesa_HashInsert(ctx->Shared->ShaderObjects, name, shProg);
/**
- * Named w/ "2" to indicate OpenGL 2.x vs GL_ARB_fragment_programs's
- * DeleteProgramARB.
+ * Delete a shader program. Actually, just decrement the program's
+ * reference count and mark it as DeletePending.
+ * Used to implement glDeleteProgram() and glDeleteObjectARB().
*/
static void
delete_shader_program(struct gl_context *ctx, GLuint name)
_mesa_reference_shader(ctx, &shProg->Shaders[i], NULL);
/* alloc new, smaller array */
- newList =
- malloc((n - 1) * sizeof(struct gl_shader *));
+ newList = malloc((n - 1) * sizeof(struct gl_shader *));
if (!newList) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glDetachShader");
return;
}
+ /* Copy old list entries to new list, skipping removed entry at [i] */
for (j = 0; j < i; j++) {
newList[j] = shProg->Shaders[j];
}
- while (++i < n)
+ while (++i < n) {
newList[j++] = shProg->Shaders[i];
- free(shProg->Shaders);
+ }
+ /* Free old list and install new one */
+ free(shProg->Shaders);
shProg->Shaders = newList;
shProg->NumShaders = n - 1;
#ifdef DEBUG
- /* sanity check */
- {
- for (j = 0; j < shProg->NumShaders; j++) {
- assert(shProg->Shaders[j]->Type == GL_VERTEX_SHADER ||
- shProg->Shaders[j]->Type == GL_FRAGMENT_SHADER);
- assert(shProg->Shaders[j]->RefCount > 0);
- }
+ /* sanity check - make sure the new list's entries are sensible */
+ for (j = 0; j < shProg->NumShaders; j++) {
+ assert(shProg->Shaders[j]->Type == GL_VERTEX_SHADER ||
+ shProg->Shaders[j]->Type == GL_TESS_CONTROL_SHADER ||
+ shProg->Shaders[j]->Type == GL_TESS_EVALUATION_SHADER ||
+ shProg->Shaders[j]->Type == GL_GEOMETRY_SHADER ||
+ shProg->Shaders[j]->Type == GL_FRAGMENT_SHADER);
+ assert(shProg->Shaders[j]->RefCount > 0);
}
#endif
/* not found */
{
GLenum err;
- if (is_shader(ctx, shader))
- err = GL_INVALID_OPERATION;
- else if (is_program(ctx, shader))
+ if (is_shader(ctx, shader) || is_program(ctx, shader))
err = GL_INVALID_OPERATION;
else
err = GL_INVALID_VALUE;
get_attached_shaders(struct gl_context *ctx, GLuint program, GLsizei maxCount,
GLsizei *count, GLuint *obj)
{
- struct gl_shader_program *shProg =
+ struct gl_shader_program *shProg;
+
+ if (maxCount < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetAttachedShaders(maxCount < 0)");
+ return;
+ }
+
+ shProg =
_mesa_lookup_shader_program_err(ctx, program, "glGetAttachedShaders");
+
if (shProg) {
GLuint i;
for (i = 0; i < (GLuint) maxCount && i < shProg->NumShaders; i++) {
get_handle(struct gl_context *ctx, GLenum pname)
{
if (pname == GL_PROGRAM_OBJECT_ARB) {
- if (ctx->Shader.ActiveProgram)
- return ctx->Shader.ActiveProgram->Name;
+ if (ctx->_Shader->ActiveProgram)
+ return ctx->_Shader->ActiveProgram->Name;
else
return 0;
}
}
+/**
+ * Check if a tessellation control shader query is valid at this time.
+ * If not, report an error and return false.
+ *
+ * From GL 4.0 section 6.1.12 (Shader and Program Queries):
+ *
+ * "If TESS_CONTROL_OUTPUT_VERTICES is queried for a program which has
+ * not been linked successfully, or which does not contain objects to
+ * form a tessellation control shader, then an INVALID_OPERATION error is
+ * generated."
+ */
+static bool
+check_tcs_query(struct gl_context *ctx, const struct gl_shader_program *shProg)
+{
+ if (shProg->LinkStatus &&
+ shProg->_LinkedShaders[MESA_SHADER_TESS_CTRL] != NULL) {
+ return true;
+ }
+
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramv(linked tessellation control shader required)");
+ return false;
+}
+
+
+/**
+ * Check if a tessellation evaluation shader query is valid at this time.
+ * If not, report an error and return false.
+ *
+ * From GL 4.0 section 6.1.12 (Shader and Program Queries):
+ *
+ * "If any of the pname values in this paragraph are queried for a program
+ * which has not been linked successfully, or which does not contain
+ * objects to form a tessellation evaluation shader, then an
+ * INVALID_OPERATION error is generated."
+ *
+ */
+static bool
+check_tes_query(struct gl_context *ctx, const struct gl_shader_program *shProg)
+{
+ if (shProg->LinkStatus &&
+ shProg->_LinkedShaders[MESA_SHADER_TESS_EVAL] != NULL) {
+ return true;
+ }
+
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramv(linked tessellation "
+ "evaluation shader required)");
+ return false;
+}
+
+
/**
* glGetProgramiv() - get shader program state.
* Note that this is for GLSL shader programs, not ARB vertex/fragment
* programs (see glGetProgramivARB).
*/
static void
-get_programiv(struct gl_context *ctx, GLuint program, GLenum pname, GLint *params)
+get_programiv(struct gl_context *ctx, GLuint program, GLenum pname,
+ GLint *params)
{
struct gl_shader_program *shProg
- = _mesa_lookup_shader_program(ctx, program);
+ = _mesa_lookup_shader_program_err(ctx, program, "glGetProgramiv(program)");
/* Is transform feedback available in this context?
*/
/* True if geometry shaders (of the form that was adopted into GLSL 1.50
* and GL 3.2) are available in this context
*/
- const bool has_core_gs = _mesa_is_desktop_gl(ctx) && ctx->Version >= 32;
+ const bool has_core_gs = _mesa_has_geometry_shaders(ctx);
+ const bool has_tess = _mesa_has_tessellation(ctx);
/* Are uniform buffer objects available in this context?
*/
const bool has_ubo =
- (ctx->API == API_OPENGL_COMPAT && ctx->Extensions.ARB_uniform_buffer_object)
+ (ctx->API == API_OPENGL_COMPAT &&
+ ctx->Extensions.ARB_uniform_buffer_object)
|| ctx->API == API_OPENGL_CORE
|| _mesa_is_gles3(ctx);
if (!shProg) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramiv(program)");
return;
}
case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH:
*params = _mesa_longest_attribute_name_length(shProg);
return;
- case GL_ACTIVE_UNIFORMS:
- *params = shProg->NumUserUniformStorage;
+ case GL_ACTIVE_UNIFORMS: {
+ unsigned i;
+ const unsigned num_uniforms =
+ shProg->NumUniformStorage - shProg->NumHiddenUniforms;
+ for (*params = 0, i = 0; i < num_uniforms; i++) {
+ if (!shProg->UniformStorage[i].is_shader_storage)
+ (*params)++;
+ }
return;
+ }
case GL_ACTIVE_UNIFORM_MAX_LENGTH: {
unsigned i;
GLint max_len = 0;
+ const unsigned num_uniforms =
+ shProg->NumUniformStorage - shProg->NumHiddenUniforms;
+
+ for (i = 0; i < num_uniforms; i++) {
+ if (shProg->UniformStorage[i].is_shader_storage)
+ continue;
- for (i = 0; i < shProg->NumUserUniformStorage; i++) {
/* Add one for the terminating NUL character for a non-array, and
* 4 for the "[0]" and the NUL for an array.
*/
for (i = 0; i < shProg->TransformFeedback.NumVarying; i++) {
/* Add one for the terminating NUL character.
*/
- const GLint len = strlen(shProg->TransformFeedback.VaryingNames[i]) + 1;
+ const GLint len =
+ strlen(shProg->TransformFeedback.VaryingNames[i]) + 1;
if (len > max_len)
max_len = len;
if (check_gs_query(ctx, shProg))
*params = shProg->Geom.VerticesOut;
return;
+ case GL_GEOMETRY_SHADER_INVOCATIONS:
+ if (!has_core_gs || !ctx->Extensions.ARB_gpu_shader5)
+ break;
+ if (check_gs_query(ctx, shProg))
+ *params = shProg->Geom.Invocations;
+ return;
case GL_GEOMETRY_INPUT_TYPE:
if (!has_core_gs)
break;
for (i = 0; i < shProg->NumUniformBlocks; i++) {
/* Add one for the terminating NUL character.
*/
- const GLint len = strlen(shProg->UniformBlocks[i].Name) + 1;
+ const GLint len = strlen(shProg->UniformBlocks[i]->Name) + 1;
if (len > max_len)
max_len = len;
*params = shProg->NumAtomicBuffers;
return;
+ case GL_COMPUTE_WORK_GROUP_SIZE: {
+ int i;
+ if (!_mesa_has_compute_shaders(ctx))
+ break;
+ if (!shProg->LinkStatus) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramiv(program not "
+ "linked)");
+ return;
+ }
+ if (shProg->_LinkedShaders[MESA_SHADER_COMPUTE] == NULL) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramiv(no compute "
+ "shaders)");
+ return;
+ }
+ for (i = 0; i < 3; i++)
+ params[i] = shProg->Comp.LocalSize[i];
+ return;
+ }
+ case GL_PROGRAM_SEPARABLE:
+ /* If the program has not been linked, return initial value 0. */
+ *params = (shProg->LinkStatus == GL_FALSE) ? 0 : shProg->SeparateShader;
+ return;
+
+ /* ARB_tessellation_shader */
+ case GL_TESS_CONTROL_OUTPUT_VERTICES:
+ if (!has_tess)
+ break;
+ if (check_tcs_query(ctx, shProg))
+ *params = shProg->TessCtrl.VerticesOut;
+ return;
+ case GL_TESS_GEN_MODE:
+ if (!has_tess)
+ break;
+ if (check_tes_query(ctx, shProg))
+ *params = shProg->TessEval.PrimitiveMode;
+ return;
+ case GL_TESS_GEN_SPACING:
+ if (!has_tess)
+ break;
+ if (check_tes_query(ctx, shProg))
+ *params = shProg->TessEval.Spacing;
+ return;
+ case GL_TESS_GEN_VERTEX_ORDER:
+ if (!has_tess)
+ break;
+ if (check_tes_query(ctx, shProg))
+ *params = shProg->TessEval.VertexOrder;
+ return;
+ case GL_TESS_GEN_POINT_MODE:
+ if (!has_tess)
+ break;
+ if (check_tes_query(ctx, shProg))
+ *params = shProg->TessEval.PointMode;
+ return;
default:
break;
}
_mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramiv(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+ _mesa_enum_to_string(pname));
}
get_program_info_log(struct gl_context *ctx, GLuint program, GLsizei bufSize,
GLsizei *length, GLchar *infoLog)
{
- struct gl_shader_program *shProg
- = _mesa_lookup_shader_program(ctx, program);
+ struct gl_shader_program *shProg;
+
+ /* Section 2.5 GL Errors (page 18) of the OpenGL ES 3.0.4 spec and
+ * section 2.3.1 (Errors) of the OpenGL 4.5 spec say:
+ *
+ * "If a negative number is provided where an argument of type sizei or
+ * sizeiptr is specified, an INVALID_VALUE error is generated."
+ */
+ if (bufSize < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramInfoLog(bufSize < 0)");
+ return;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program,
+ "glGetProgramInfoLog(program)");
if (!shProg) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramInfoLog(program)");
return;
}
+
_mesa_copy_string(infoLog, bufSize, length, shProg->InfoLog);
}
get_shader_info_log(struct gl_context *ctx, GLuint shader, GLsizei bufSize,
GLsizei *length, GLchar *infoLog)
{
- struct gl_shader *sh = _mesa_lookup_shader(ctx, shader);
+ struct gl_shader *sh;
+
+ /* Section 2.5 GL Errors (page 18) of the OpenGL ES 3.0.4 spec and
+ * section 2.3.1 (Errors) of the OpenGL 4.5 spec say:
+ *
+ * "If a negative number is provided where an argument of type sizei or
+ * sizeiptr is specified, an INVALID_VALUE error is generated."
+ */
+ if (bufSize < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetShaderInfoLog(bufSize < 0)");
+ return;
+ }
+
+ sh = _mesa_lookup_shader_err(ctx, shader, "glGetShaderInfoLog(shader)");
if (!sh) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetShaderInfoLog(shader)");
return;
}
+
_mesa_copy_string(infoLog, bufSize, length, sh->InfoLog);
}
GLsizei *length, GLchar *sourceOut)
{
struct gl_shader *sh;
+
+ if (maxLength < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetShaderSource(bufSize < 0)");
+ return;
+ }
+
sh = _mesa_lookup_shader_err(ctx, shader, "glGetShaderSource");
if (!sh) {
return;
/**
* Set/replace shader source code. A helper function used by
- * glShaderSource[ARB] and glCreateShaderProgramEXT.
+ * glShaderSource[ARB].
*/
static void
-shader_source(struct gl_context *ctx, GLuint shader, const GLchar *source)
+shader_source(struct gl_shader *sh, const GLchar *source)
{
- struct gl_shader *sh;
-
- sh = _mesa_lookup_shader_err(ctx, shader, "glShaderSource");
- if (!sh)
- return;
+ assert(sh);
/* free old shader source string and install new one */
free((void *)sh->Source);
compile_shader(struct gl_context *ctx, GLuint shaderObj)
{
struct gl_shader *sh;
- struct gl_shader_compiler_options *options;
sh = _mesa_lookup_shader_err(ctx, shaderObj, "glCompileShader");
if (!sh)
return;
- options = &ctx->ShaderCompilerOptions[sh->Stage];
-
- /* set default pragma state for shader */
- sh->Pragmas = options->DefaultPragmas;
-
if (!sh->Source) {
/* If the user called glCompileShader without first calling
* glShaderSource, we should fail to compile, but not raise a GL_ERROR.
*/
sh->CompileStatus = GL_FALSE;
} else {
- if (ctx->Shader.Flags & GLSL_DUMP) {
- printf("GLSL source for %s shader %d:\n",
- _mesa_shader_stage_to_string(sh->Stage), sh->Name);
- printf("%s\n", sh->Source);
+ if (ctx->_Shader->Flags & GLSL_DUMP) {
+ _mesa_log("GLSL source for %s shader %d:\n",
+ _mesa_shader_stage_to_string(sh->Stage), sh->Name);
+ _mesa_log("%s\n", sh->Source);
}
/* this call will set the shader->CompileStatus field to indicate if
*/
_mesa_glsl_compile_shader(ctx, sh, false, false);
- if (ctx->Shader.Flags & GLSL_LOG) {
+ if (ctx->_Shader->Flags & GLSL_LOG) {
_mesa_write_shader_to_file(sh);
}
- if (ctx->Shader.Flags & GLSL_DUMP) {
+ if (ctx->_Shader->Flags & GLSL_DUMP) {
if (sh->CompileStatus) {
- printf("GLSL IR for shader %d:\n", sh->Name);
- _mesa_print_ir(sh->ir, NULL);
- printf("\n\n");
+ _mesa_log("GLSL IR for shader %d:\n", sh->Name);
+ _mesa_print_ir(_mesa_get_log_file(), sh->ir, NULL);
+ _mesa_log("\n\n");
} else {
- printf("GLSL shader %d failed to compile.\n", sh->Name);
+ _mesa_log("GLSL shader %d failed to compile.\n", sh->Name);
}
if (sh->InfoLog && sh->InfoLog[0] != 0) {
- printf("GLSL shader %d info log:\n", sh->Name);
- printf("%s\n", sh->InfoLog);
+ _mesa_log("GLSL shader %d info log:\n", sh->Name);
+ _mesa_log("%s\n", sh->InfoLog);
}
}
-
}
if (!sh->CompileStatus) {
- if (ctx->Shader.Flags & GLSL_DUMP_ON_ERROR) {
- fprintf(stderr, "GLSL source for %s shader %d:\n",
+ if (ctx->_Shader->Flags & GLSL_DUMP_ON_ERROR) {
+ _mesa_log("GLSL source for %s shader %d:\n",
_mesa_shader_stage_to_string(sh->Stage), sh->Name);
- fprintf(stderr, "%s\n", sh->Source);
- fprintf(stderr, "Info Log:\n%s\n", sh->InfoLog);
- fflush(stderr);
+ _mesa_log("%s\n", sh->Source);
+ _mesa_log("Info Log:\n%s\n", sh->InfoLog);
}
- if (ctx->Shader.Flags & GLSL_REPORT_ERRORS) {
+ if (ctx->_Shader->Flags & GLSL_REPORT_ERRORS) {
_mesa_debug(ctx, "Error compiling shader %u:\n%s\n",
sh->Name, sh->InfoLog);
}
_mesa_glsl_link_shader(ctx, shProg);
- if (shProg->LinkStatus == GL_FALSE &&
- (ctx->Shader.Flags & GLSL_REPORT_ERRORS)) {
+ if (shProg->LinkStatus == GL_FALSE &&
+ (ctx->_Shader->Flags & GLSL_REPORT_ERRORS)) {
_mesa_debug(ctx, "Error linking program %u:\n%s\n",
shProg->Name, shProg->InfoLog);
}
if (shProg->_LinkedShaders[MESA_SHADER_GEOMETRY])
printf(" geom prog %u\n",
shProg->_LinkedShaders[MESA_SHADER_GEOMETRY]->Program->Id);
+ if (shProg->_LinkedShaders[MESA_SHADER_TESS_CTRL])
+ printf(" tesc prog %u\n",
+ shProg->_LinkedShaders[MESA_SHADER_TESS_CTRL]->Program->Id);
+ if (shProg->_LinkedShaders[MESA_SHADER_TESS_EVAL])
+ printf(" tese prog %u\n",
+ shProg->_LinkedShaders[MESA_SHADER_TESS_EVAL]->Program->Id);
}
}
}
-/**
- */
+
static void
-use_shader_program(struct gl_context *ctx, GLenum type,
- struct gl_shader_program *shProg)
+use_shader_program(struct gl_context *ctx, gl_shader_stage stage,
+ struct gl_shader_program *shProg,
+ struct gl_pipeline_object *shTarget)
{
struct gl_shader_program **target;
- gl_shader_stage stage = _mesa_shader_enum_to_shader_stage(type);
- target = &ctx->Shader.CurrentProgram[stage];
- if ((shProg == NULL) || (shProg->_LinkedShaders[stage] == NULL))
+ target = &shTarget->CurrentProgram[stage];
+ if ((shProg != NULL) && (shProg->_LinkedShaders[stage] == NULL))
shProg = NULL;
if (*target != shProg) {
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ /* Program is current, flush it */
+ if (shTarget == ctx->_Shader) {
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ }
/* If the shader is also bound as the current rendering shader, unbind
* it from that binding point as well. This ensures that the correct
* semantics of glDeleteProgram are maintained.
*/
- switch (type) {
- case GL_VERTEX_SHADER:
- /* Empty for now. */
- break;
- case GL_GEOMETRY_SHADER_ARB:
- /* Empty for now. */
- break;
- case GL_COMPUTE_SHADER:
+ switch (stage) {
+ case MESA_SHADER_VERTEX:
+ case MESA_SHADER_TESS_CTRL:
+ case MESA_SHADER_TESS_EVAL:
+ case MESA_SHADER_GEOMETRY:
+ case MESA_SHADER_COMPUTE:
/* Empty for now. */
break;
- case GL_FRAGMENT_SHADER:
- if (*target == ctx->Shader._CurrentFragmentProgram) {
+ case MESA_SHADER_FRAGMENT:
+ if (*target == ctx->_Shader->_CurrentFragmentProgram) {
_mesa_reference_shader_program(ctx,
- &ctx->Shader._CurrentFragmentProgram,
+ &ctx->_Shader->_CurrentFragmentProgram,
NULL);
}
break;
}
}
+
/**
* Use the named shader program for subsequent rendering.
*/
void
_mesa_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
{
- use_shader_program(ctx, GL_VERTEX_SHADER, shProg);
- use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB, shProg);
- use_shader_program(ctx, GL_FRAGMENT_SHADER, shProg);
+ int i;
+ for (i = 0; i < MESA_SHADER_STAGES; i++)
+ use_shader_program(ctx, i, shProg, &ctx->Shader);
_mesa_active_program(ctx, shProg, "glUseProgram");
+ _mesa_shader_program_init_subroutine_defaults(shProg);
if (ctx->Driver.UseProgram)
ctx->Driver.UseProgram(ctx, shProg);
}
any active sampler in the current program object refers to a texture
image unit where fixed-function fragment processing accesses a
- texture target that does not match the sampler type, or
+ texture target that does not match the sampler type, or
the sum of the number of active samplers in the program and the
number of texture image units enabled for fixed-function fragment
image units allowed.
*/
-
/*
* Check: any two active samplers in the current program object are of
* different types, but refer to the same texture image unit,
void GLAPIENTRY
-_mesa_CompileShader(GLhandleARB shaderObj)
+_mesa_CompileShader(GLuint shaderObj)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
{
GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE & VERBOSE_API)
- _mesa_debug(ctx, "glCreateShader %s\n", _mesa_lookup_enum_by_nr(type));
+ _mesa_debug(ctx, "glCreateShader %s\n", _mesa_enum_to_string(type));
return create_shader(ctx, type);
}
{
if (MESA_VERBOSE & VERBOSE_API) {
GET_CURRENT_CONTEXT(ctx);
- _mesa_debug(ctx, "glDeleteObjectARB(%u)\n", obj);
+ _mesa_debug(ctx, "glDeleteObjectARB(%lu)\n", (unsigned long)obj);
}
if (obj) {
_mesa_GetObjectParameterfvARB(GLhandleARB object, GLenum pname,
GLfloat *params)
{
- GLint iparams[1]; /* XXX is one element enough? */
+ GLint iparams[1] = {0}; /* XXX is one element enough? */
_mesa_GetObjectParameterivARB(object, pname, iparams);
params[0] = (GLfloat) iparams[0];
}
void GLAPIENTRY
-_mesa_GetShaderSource(GLhandleARB shader, GLsizei maxLength,
- GLsizei *length, GLcharARB *sourceOut)
+_mesa_GetShaderSource(GLuint shader, GLsizei maxLength,
+ GLsizei *length, GLchar *sourceOut)
{
GET_CURRENT_CONTEXT(ctx);
get_shader_source(ctx, shader, maxLength, length, sourceOut);
void GLAPIENTRY
-_mesa_LinkProgram(GLhandleARB programObj)
+_mesa_LinkProgram(GLuint programObj)
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glLinkProgram %u\n", programObj);
link_program(ctx, programObj);
}
+#if defined(HAVE_SHA1)
+/**
+ * Generate a SHA-1 hash value string for given source string.
+ */
+static void
+generate_sha1(const char *source, char sha_str[64])
+{
+ unsigned char sha[20];
+ _mesa_sha1_compute(source, strlen(source), sha);
+ _mesa_sha1_format(sha_str, sha);
+}
+
+/**
+ * Construct a full path for shader replacement functionality using
+ * following format:
+ *
+ * <path>/<stage prefix>_<CHECKSUM>.glsl
+ */
+static void
+construct_name(const gl_shader_stage stage, const char *source,
+ const char *path, char *name, unsigned length)
+{
+ char sha[64];
+ static const char *types[] = {
+ "VS", "TC", "TE", "GS", "FS", "CS",
+ };
+
+ generate_sha1(source, sha);
+ _mesa_snprintf(name, length, "%s/%s_%s.glsl", path, types[stage],
+ sha);
+}
+
+/**
+ * Write given shader source to a file in MESA_SHADER_DUMP_PATH.
+ */
+static void
+dump_shader(const gl_shader_stage stage, const char *source)
+{
+ char name[PATH_MAX];
+ static bool path_exists = true;
+ char *dump_path;
+ FILE *f;
+
+ if (!path_exists)
+ return;
+
+ dump_path = getenv("MESA_SHADER_DUMP_PATH");
+ if (!dump_path) {
+ path_exists = false;
+ return;
+ }
+
+ construct_name(stage, source, dump_path, name, PATH_MAX);
+ f = fopen(name, "w");
+ if (f) {
+ fputs(source, f);
+ fclose(f);
+ } else {
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_warning(ctx, "could not open %s for dumping shader (%s)", name,
+ strerror(errno));
+ }
+}
/**
* Read shader source code from a file.
* Useful for debugging to override an app's shader.
*/
static GLcharARB *
-read_shader(const char *fname)
+read_shader(const gl_shader_stage stage, const char *source)
{
- const int max = 50*1000;
- FILE *f = fopen(fname, "r");
- GLcharARB *buffer, *shader;
- int len;
+ char name[PATH_MAX];
+ char *read_path;
+ static bool path_exists = true;
+ int len, shader_size = 0;
+ GLcharARB *buffer;
+ FILE *f;
+
+ if (!path_exists)
+ return NULL;
- if (!f) {
+ read_path = getenv("MESA_SHADER_READ_PATH");
+ if (!read_path) {
+ path_exists = false;
return NULL;
}
- buffer = malloc(max);
- len = fread(buffer, 1, max, f);
+ construct_name(stage, source, read_path, name, PATH_MAX);
+
+ f = fopen(name, "r");
+ if (!f)
+ return NULL;
+
+ /* allocate enough room for the entire shader */
+ fseek(f, 0, SEEK_END);
+ shader_size = ftell(f);
+ rewind(f);
+ assert(shader_size);
+
+ /* add one for terminating zero */
+ shader_size++;
+
+ buffer = malloc(shader_size);
+ assert(buffer);
+
+ len = fread(buffer, 1, shader_size, f);
buffer[len] = 0;
fclose(f);
- shader = _mesa_strdup(buffer);
- free(buffer);
-
- return shader;
+ return buffer;
}
-
+#endif /* HAVE_SHA1 */
/**
* Called via glShaderSource() and glShaderSourceARB() API functions.
* and pass it to _mesa_shader_source().
*/
void GLAPIENTRY
-_mesa_ShaderSource(GLhandleARB shaderObj, GLsizei count,
- const GLcharARB * const * string, const GLint * length)
+_mesa_ShaderSource(GLuint shaderObj, GLsizei count,
+ const GLchar * const * string, const GLint * length)
{
GET_CURRENT_CONTEXT(ctx);
GLint *offsets;
GLsizei i, totalLength;
GLcharARB *source;
- GLuint checksum;
+ struct gl_shader *sh;
- if (!shaderObj || string == NULL) {
+#if defined(HAVE_SHA1)
+ GLcharARB *replacement;
+#endif /* HAVE_SHA1 */
+
+ sh = _mesa_lookup_shader_err(ctx, shaderObj, "glShaderSourceARB");
+ if (!sh)
+ return;
+
+ if (string == NULL) {
_mesa_error(ctx, GL_INVALID_VALUE, "glShaderSourceARB");
return;
}
source[totalLength - 1] = '\0';
source[totalLength - 2] = '\0';
- if (SHADER_SUBST) {
- /* Compute the shader's source code checksum then try to open a file
- * named newshader_<CHECKSUM>. If it exists, use it in place of the
- * original shader source code. For debugging.
- */
- char filename[100];
- GLcharARB *newSource;
-
- checksum = _mesa_str_checksum(source);
-
- _mesa_snprintf(filename, sizeof(filename), "newshader_%d", checksum);
+#if defined(HAVE_SHA1)
+ /* Dump original shader source to MESA_SHADER_DUMP_PATH and replace
+ * if corresponding entry found from MESA_SHADER_READ_PATH.
+ */
+ dump_shader(sh->Stage, source);
- newSource = read_shader(filename);
- if (newSource) {
- fprintf(stderr, "Mesa: Replacing shader %u chksum=%d with %s\n",
- shaderObj, checksum, filename);
- free(source);
- source = newSource;
- }
+ replacement = read_shader(sh->Stage, source);
+ if (replacement) {
+ free(source);
+ source = replacement;
}
+#endif /* HAVE_SHA1 */
- shader_source(ctx, shaderObj, source);
-
- if (SHADER_SUBST) {
- struct gl_shader *sh = _mesa_lookup_shader(ctx, shaderObj);
- if (sh)
- sh->SourceChecksum = checksum; /* save original checksum */
- }
+ shader_source(sh, source);
free(offsets);
}
void GLAPIENTRY
-_mesa_UseProgram(GLhandleARB program)
+_mesa_UseProgram(GLuint program)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *shProg;
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glUseProgram %u\n", program);
+
if (_mesa_is_xfb_active_and_unpaused(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUseProgram(transform feedback active)");
}
/* debug code */
- if (ctx->Shader.Flags & GLSL_USE_PROG) {
+ if (ctx->_Shader->Flags & GLSL_USE_PROG) {
print_shader_info(shProg);
}
}
shProg = NULL;
}
- _mesa_use_program(ctx, shProg);
+ /* The ARB_separate_shader_object spec says:
+ *
+ * "The executable code for an individual shader stage is taken from
+ * the current program for that stage. If there is a current program
+ * object established by UseProgram, that program is considered current
+ * for all stages. Otherwise, if there is a bound program pipeline
+ * object (section 2.14.PPO), the program bound to the appropriate
+ * stage of the pipeline object is considered current."
+ */
+ if (program) {
+ /* Attach shader state to the binding point */
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, &ctx->Shader);
+ /* Update the program */
+ _mesa_use_program(ctx, shProg);
+ } else {
+ /* Must be done first: detach the progam */
+ _mesa_use_program(ctx, shProg);
+ /* Unattach shader_state binding point */
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, ctx->Pipeline.Default);
+ /* If a pipeline was bound, rebind it */
+ if (ctx->Pipeline.Current) {
+ _mesa_BindProgramPipeline(ctx->Pipeline.Current->Name);
+ }
+ }
}
void GLAPIENTRY
-_mesa_ValidateProgram(GLhandleARB program)
+_mesa_ValidateProgram(GLuint program)
{
GET_CURRENT_CONTEXT(ctx);
validate_program(ctx, program);
const void* binary, GLint length)
{
GET_CURRENT_CONTEXT(ctx);
- (void) n;
(void) shaders;
(void) binaryformat;
(void) binary;
- (void) length;
- _mesa_error(ctx, GL_INVALID_OPERATION, __FUNCTION__);
+
+ /* Page 68, section 7.2 'Shader Binaries" of the of the OpenGL ES 3.1, and
+ * page 88 of the OpenGL 4.5 specs state:
+ *
+ * "An INVALID_VALUE error is generated if count or length is negative.
+ * An INVALID_ENUM error is generated if binaryformat is not a supported
+ * format returned in SHADER_BINARY_FORMATS."
+ */
+ if (n < 0 || length < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glShaderBinary(count or length < 0)");
+ return;
+ }
+
+ _mesa_error(ctx, GL_INVALID_ENUM, "glShaderBinary(format)");
}
GLenum *binaryFormat, GLvoid *binary)
{
struct gl_shader_program *shProg;
+ GLsizei length_dummy;
GET_CURRENT_CONTEXT(ctx);
+ if (bufSize < 0){
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramBinary(bufSize < 0)");
+ return;
+ }
+
shProg = _mesa_lookup_shader_program_err(ctx, program, "glGetProgramBinary");
if (!shProg)
return;
+ /* The ARB_get_program_binary spec says:
+ *
+ * "If <length> is NULL, then no length is returned."
+ *
+ * Ensure that length always points to valid storage to avoid multiple NULL
+ * pointer checks below.
+ */
+ if (length == NULL)
+ length = &length_dummy;
+
+
+ /* The ARB_get_program_binary spec says:
+ *
+ * "When a program object's LINK_STATUS is FALSE, its program binary
+ * length is zero, and a call to GetProgramBinary will generate an
+ * INVALID_OPERATION error.
+ */
if (!shProg->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetProgramBinary(program %u not linked)",
shProg->Name);
+ *length = 0;
return;
}
- if (bufSize < 0){
- _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramBinary(bufSize < 0)");
- return;
- }
-
- /* The ARB_get_program_binary spec says:
- *
- * "If <length> is NULL, then no length is returned."
- */
- if (length != NULL)
- *length = 0;
+ *length = 0;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetProgramBinary(driver supports zero binary formats)");
(void) binaryFormat;
(void) binary;
(void) binaryFormat;
(void) binary;
- (void) length;
- _mesa_error(ctx, GL_INVALID_OPERATION, __FUNCTION__);
+
+ /* Section 2.3.1 (Errors) of the OpenGL 4.5 spec says:
+ *
+ * "If a negative number is provided where an argument of type sizei or
+ * sizeiptr is specified, an INVALID_VALUE error is generated."
+ */
+ if (length < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glProgramBinary(length < 0)");
+ return;
+ }
+
+ /* The ARB_get_program_binary spec says:
+ *
+ * "<binaryFormat> and <binary> must be those returned by a previous
+ * call to GetProgramBinary, and <length> must be the length of the
+ * program binary as returned by GetProgramBinary or GetProgramiv with
+ * <pname> PROGRAM_BINARY_LENGTH. Loading the program binary will fail,
+ * setting the LINK_STATUS of <program> to FALSE, if these conditions
+ * are not met."
+ *
+ * Since any value of binaryFormat passed "is not one of those specified as
+ * allowable for [this] command, an INVALID_ENUM error is generated."
+ */
+ shProg->LinkStatus = GL_FALSE;
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramBinary");
}
* ProgramParameteri is not TRUE or FALSE."
*/
if (value != GL_TRUE && value != GL_FALSE) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glProgramParameteri(pname=%s, value=%d): "
- "value must be 0 or 1.",
- _mesa_lookup_enum_by_nr(pname),
- value);
- return;
+ goto invalid_value;
}
/* No need to notify the driver. Any changes will actually take effect
*/
shProg->BinaryRetreivableHint = value;
return;
+
+ case GL_PROGRAM_SEPARABLE:
+ /* Spec imply that the behavior is the same as ARB_get_program_binary
+ * Chapter 7.3 Program Objects
+ */
+ if (value != GL_TRUE && value != GL_FALSE) {
+ goto invalid_value;
+ }
+ shProg->SeparateShader = value;
+ return;
+
default:
- break;
+ _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameteri(pname=%s)",
+ _mesa_enum_to_string(pname));
+ return;
}
- _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameteri(pname=%s)",
- _mesa_lookup_enum_by_nr(pname));
+invalid_value:
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glProgramParameteri(pname=%s, value=%d): "
+ "value must be 0 or 1.",
+ _mesa_enum_to_string(pname),
+ value);
}
+
void
_mesa_use_shader_program(struct gl_context *ctx, GLenum type,
- struct gl_shader_program *shProg)
+ struct gl_shader_program *shProg,
+ struct gl_pipeline_object *shTarget)
{
- use_shader_program(ctx, type, shProg);
+ gl_shader_stage stage = _mesa_shader_enum_to_shader_stage(type);
+ use_shader_program(ctx, stage, shProg, shTarget);
if (ctx->Driver.UseProgram)
ctx->Driver.UseProgram(ctx, shProg);
/**
- * For GL_EXT_separate_shader_objects
+ * Copy program-specific data generated by linking from the gl_shader_program
+ * object to a specific gl_program object.
*/
-void GLAPIENTRY
-_mesa_UseShaderProgramEXT(GLenum type, GLuint program)
+void
+_mesa_copy_linked_program_data(gl_shader_stage type,
+ const struct gl_shader_program *src,
+ struct gl_program *dst)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_shader_program *shProg = NULL;
-
- if (!_mesa_validate_shader_target(ctx, type)) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glUseShaderProgramEXT(type)");
- return;
+ switch (type) {
+ case MESA_SHADER_VERTEX:
+ dst->ClipDistanceArraySize = src->Vert.ClipDistanceArraySize;
+ break;
+ case MESA_SHADER_TESS_CTRL: {
+ struct gl_tess_ctrl_program *dst_tcp =
+ (struct gl_tess_ctrl_program *) dst;
+ dst_tcp->VerticesOut = src->TessCtrl.VerticesOut;
+ break;
}
-
- if (_mesa_is_xfb_active_and_unpaused(ctx)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glUseShaderProgramEXT(transform feedback is active)");
- return;
+ case MESA_SHADER_TESS_EVAL: {
+ struct gl_tess_eval_program *dst_tep =
+ (struct gl_tess_eval_program *) dst;
+ dst_tep->PrimitiveMode = src->TessEval.PrimitiveMode;
+ dst_tep->Spacing = src->TessEval.Spacing;
+ dst_tep->VertexOrder = src->TessEval.VertexOrder;
+ dst_tep->PointMode = src->TessEval.PointMode;
+ dst->ClipDistanceArraySize = src->TessEval.ClipDistanceArraySize;
+ break;
}
-
- if (program) {
- shProg = _mesa_lookup_shader_program_err(ctx, program,
- "glUseShaderProgramEXT");
- if (shProg == NULL)
- return;
-
- if (!shProg->LinkStatus) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glUseShaderProgramEXT(program not linked)");
- return;
- }
+ case MESA_SHADER_GEOMETRY: {
+ struct gl_geometry_program *dst_gp = (struct gl_geometry_program *) dst;
+ dst_gp->VerticesIn = src->Geom.VerticesIn;
+ dst_gp->VerticesOut = src->Geom.VerticesOut;
+ dst_gp->Invocations = src->Geom.Invocations;
+ dst_gp->InputType = src->Geom.InputType;
+ dst_gp->OutputType = src->Geom.OutputType;
+ dst->ClipDistanceArraySize = src->Geom.ClipDistanceArraySize;
+ dst_gp->UsesEndPrimitive = src->Geom.UsesEndPrimitive;
+ dst_gp->UsesStreams = src->Geom.UsesStreams;
+ break;
+ }
+ case MESA_SHADER_FRAGMENT: {
+ struct gl_fragment_program *dst_fp = (struct gl_fragment_program *) dst;
+ dst_fp->FragDepthLayout = src->FragDepthLayout;
+ break;
+ }
+ case MESA_SHADER_COMPUTE: {
+ struct gl_compute_program *dst_cp = (struct gl_compute_program *) dst;
+ int i;
+ for (i = 0; i < 3; i++)
+ dst_cp->LocalSize[i] = src->Comp.LocalSize[i];
+ break;
+ }
+ default:
+ break;
}
-
- _mesa_use_shader_program(ctx, type, shProg);
-}
-
-
-/**
- * For GL_EXT_separate_shader_objects
- */
-void GLAPIENTRY
-_mesa_ActiveProgramEXT(GLuint program)
-{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_shader_program *shProg = (program != 0)
- ? _mesa_lookup_shader_program_err(ctx, program, "glActiveProgramEXT")
- : NULL;
-
- _mesa_active_program(ctx, shProg, "glActiveProgramEXT");
- return;
}
-
/**
- * For GL_EXT_separate_shader_objects
+ * ARB_separate_shader_objects: Compile & Link Program
*/
GLuint GLAPIENTRY
-_mesa_CreateShaderProgramEXT(GLenum type, const GLchar *string)
+_mesa_CreateShaderProgramv(GLenum type, GLsizei count,
+ const GLchar* const *strings)
{
GET_CURRENT_CONTEXT(ctx);
+
const GLuint shader = create_shader(ctx, type);
GLuint program = 0;
+ /*
+ * According to OpenGL 4.5 and OpenGL ES 3.1 standards, section 7.3:
+ * GL_INVALID_VALUE should be generated if count < 0
+ */
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCreateShaderProgram (count < 0)");
+ return program;
+ }
+
if (shader) {
- shader_source(ctx, shader, _mesa_strdup(string));
+ _mesa_ShaderSource(shader, count, strings, NULL);
+
compile_shader(ctx, shader);
program = create_shader_program(ctx);
shProg = _mesa_lookup_shader_program(ctx, program);
sh = _mesa_lookup_shader(ctx, shader);
+ shProg->SeparateShader = GL_TRUE;
+
get_shaderiv(ctx, shader, GL_COMPILE_STATUS, &compiled);
if (compiled) {
attach_shader(ctx, program, shader);
}
#endif
}
-
- ralloc_strcat(&shProg->InfoLog, sh->InfoLog);
+ if (sh->InfoLog)
+ ralloc_strcat(&shProg->InfoLog, sh->InfoLog);
}
delete_shader(ctx, shader);
/**
- * Copy program-specific data generated by linking from the gl_shader_program
- * object to a specific gl_program object.
+ * For GL_ARB_tessellation_shader
*/
-void
-_mesa_copy_linked_program_data(gl_shader_stage type,
- const struct gl_shader_program *src,
- struct gl_program *dst)
+extern void GLAPIENTRY
+_mesa_PatchParameteri(GLenum pname, GLint value)
{
- switch (type) {
- case MESA_SHADER_VERTEX:
- dst->UsesClipDistanceOut = src->Vert.UsesClipDistance;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!_mesa_has_tessellation(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glPatchParameteri");
+ return;
+ }
+
+ if (pname != GL_PATCH_VERTICES) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPatchParameteri");
+ return;
+ }
+
+ if (value <= 0 || value > ctx->Const.MaxPatchVertices) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glPatchParameteri");
+ return;
+ }
+
+ ctx->TessCtrlProgram.patch_vertices = value;
+}
+
+
+extern void GLAPIENTRY
+_mesa_PatchParameterfv(GLenum pname, const GLfloat *values)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!_mesa_has_tessellation(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glPatchParameterfv");
+ return;
+ }
+
+ switch(pname) {
+ case GL_PATCH_DEFAULT_OUTER_LEVEL:
+ FLUSH_VERTICES(ctx, 0);
+ memcpy(ctx->TessCtrlProgram.patch_default_outer_level, values,
+ 4 * sizeof(GLfloat));
+ ctx->NewDriverState |= ctx->DriverFlags.NewDefaultTessLevels;
+ return;
+ case GL_PATCH_DEFAULT_INNER_LEVEL:
+ FLUSH_VERTICES(ctx, 0);
+ memcpy(ctx->TessCtrlProgram.patch_default_inner_level, values,
+ 2 * sizeof(GLfloat));
+ ctx->NewDriverState |= ctx->DriverFlags.NewDefaultTessLevels;
+ return;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glPatchParameterfv");
+ return;
+ }
+}
+
+/**
+ * ARB_shader_subroutine
+ */
+GLint GLAPIENTRY
+_mesa_GetSubroutineUniformLocation(GLuint program, GLenum shadertype,
+ const GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetSubroutineUniformLocation";
+ struct gl_shader_program *shProg;
+ GLenum resource_type;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return -1;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ if (!shProg->_LinkedShaders[stage]) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ resource_type = _mesa_shader_stage_to_subroutine_uniform(stage);
+ return _mesa_program_resource_location(shProg, resource_type, name);
+}
+
+GLuint GLAPIENTRY
+_mesa_GetSubroutineIndex(GLuint program, GLenum shadertype,
+ const GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetSubroutineIndex";
+ struct gl_shader_program *shProg;
+ struct gl_program_resource *res;
+ GLenum resource_type;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return -1;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ if (!shProg->_LinkedShaders[stage]) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ resource_type = _mesa_shader_stage_to_subroutine(stage);
+ res = _mesa_program_resource_find_name(shProg, resource_type, name, NULL);
+ if (!res) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return -1;
+ }
+
+ return _mesa_program_resource_index(shProg, res);
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_GetActiveSubroutineUniformiv(GLuint program, GLenum shadertype,
+ GLuint index, GLenum pname, GLint *values)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetActiveSubroutineUniformiv";
+ struct gl_shader_program *shProg;
+ struct gl_shader *sh;
+ gl_shader_stage stage;
+ struct gl_program_resource *res;
+ const struct gl_uniform_storage *uni;
+ GLenum resource_type;
+ int count, i, j;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ resource_type = _mesa_shader_stage_to_subroutine_uniform(stage);
+
+ sh = shProg->_LinkedShaders[stage];
+ if (!sh) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ switch (pname) {
+ case GL_NUM_COMPATIBLE_SUBROUTINES: {
+ res = _mesa_program_resource_find_index(shProg, resource_type, index);
+ if (res) {
+ uni = res->Data;
+ values[0] = uni->num_compatible_subroutines;
+ }
break;
- case MESA_SHADER_GEOMETRY: {
- struct gl_geometry_program *dst_gp = (struct gl_geometry_program *) dst;
- dst_gp->VerticesIn = src->Geom.VerticesIn;
- dst_gp->VerticesOut = src->Geom.VerticesOut;
- dst_gp->InputType = src->Geom.InputType;
- dst_gp->OutputType = src->Geom.OutputType;
- dst->UsesClipDistanceOut = src->Geom.UsesClipDistance;
- dst_gp->UsesEndPrimitive = src->Geom.UsesEndPrimitive;
}
+ case GL_COMPATIBLE_SUBROUTINES: {
+ res = _mesa_program_resource_find_index(shProg, resource_type, index);
+ if (res) {
+ uni = res->Data;
+ count = 0;
+ for (i = 0; i < sh->NumSubroutineFunctions; i++) {
+ struct gl_subroutine_function *fn = &sh->SubroutineFunctions[i];
+ for (j = 0; j < fn->num_compat_types; j++) {
+ if (fn->types[j] == uni->type) {
+ values[count++] = i;
+ break;
+ }
+ }
+ }
+ }
+ break;
+ }
+ case GL_UNIFORM_SIZE:
+ res = _mesa_program_resource_find_index(shProg, resource_type, index);
+ if (res) {
+ uni = res->Data;
+ values[0] = uni->array_elements ? uni->array_elements : 1;
+ }
+ break;
+ case GL_UNIFORM_NAME_LENGTH:
+ res = _mesa_program_resource_find_index(shProg, resource_type, index);
+ if (res) {
+ values[0] = strlen(_mesa_program_resource_name(res)) + 1
+ + ((_mesa_program_resource_array_size(res) != 0) ? 3 : 0);;
+ }
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_GetActiveSubroutineUniformName(GLuint program, GLenum shadertype,
+ GLuint index, GLsizei bufsize,
+ GLsizei *length, GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetActiveSubroutineUniformName";
+ struct gl_shader_program *shProg;
+ GLenum resource_type;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ if (!shProg->_LinkedShaders[stage]) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ resource_type = _mesa_shader_stage_to_subroutine_uniform(stage);
+ /* get program resource name */
+ _mesa_get_program_resource_name(shProg, resource_type,
+ index, bufsize,
+ length, name, api_name);
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_GetActiveSubroutineName(GLuint program, GLenum shadertype,
+ GLuint index, GLsizei bufsize,
+ GLsizei *length, GLchar *name)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetActiveSubroutineName";
+ struct gl_shader_program *shProg;
+ GLenum resource_type;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ if (!shProg->_LinkedShaders[stage]) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+ resource_type = _mesa_shader_stage_to_subroutine(stage);
+ _mesa_get_program_resource_name(shProg, resource_type,
+ index, bufsize,
+ length, name, api_name);
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_UniformSubroutinesuiv(GLenum shadertype, GLsizei count,
+ const GLuint *indices)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glUniformSubroutinesuiv";
+ struct gl_shader_program *shProg;
+ struct gl_shader *sh;
+ gl_shader_stage stage;
+ int i;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ shProg = ctx->_Shader->CurrentProgram[stage];
+ if (!shProg) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ sh = shProg->_LinkedShaders[stage];
+ if (!sh) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (count != sh->NumSubroutineUniformRemapTable) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s", api_name);
+ return;
+ }
+
+ i = 0;
+ do {
+ struct gl_uniform_storage *uni = sh->SubroutineUniformRemapTable[i];
+ if (uni == NULL) {
+ i++;
+ continue;
+ }
+
+ int uni_count = uni->array_elements ? uni->array_elements : 1;
+ int j, k;
+
+ for (j = i; j < i + uni_count; j++) {
+ struct gl_subroutine_function *subfn;
+ if (indices[j] >= sh->NumSubroutineFunctions) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s", api_name);
+ return;
+ }
+
+ subfn = &sh->SubroutineFunctions[indices[j]];
+ for (k = 0; k < subfn->num_compat_types; k++) {
+ if (subfn->types[k] == uni->type)
+ break;
+ }
+ if (k == subfn->num_compat_types) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+ }
+ i += uni_count;
+ } while(i < count);
+
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
+ i = 0;
+ do {
+ struct gl_uniform_storage *uni = sh->SubroutineUniformRemapTable[i];
+ if (uni == NULL) {
+ i++;
+ continue;
+ }
+
+ int uni_count = uni->array_elements ? uni->array_elements : 1;
+
+ memcpy(&uni->storage[0], &indices[i],
+ sizeof(GLuint) * uni_count);
+
+ uni->initialized = true;
+ _mesa_propagate_uniforms_to_driver_storage(uni, 0, uni_count);
+ i += uni_count;
+ } while(i < count);
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_GetUniformSubroutineuiv(GLenum shadertype, GLint location,
+ GLuint *params)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetUniformSubroutineuiv";
+ struct gl_shader_program *shProg;
+ struct gl_shader *sh;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ shProg = ctx->_Shader->CurrentProgram[stage];
+ if (!shProg) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ sh = shProg->_LinkedShaders[stage];
+ if (!sh) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (location >= sh->NumSubroutineUniformRemapTable) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "%s", api_name);
+ return;
+ }
+
+ {
+ struct gl_uniform_storage *uni = sh->SubroutineUniformRemapTable[location];
+ int offset = location - uni->opaque[stage].index;
+ memcpy(params, &uni->storage[offset],
+ sizeof(GLuint));
+ }
+}
+
+
+GLvoid GLAPIENTRY
+_mesa_GetProgramStageiv(GLuint program, GLenum shadertype,
+ GLenum pname, GLint *values)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *api_name = "glGetProgramStageiv";
+ struct gl_shader_program *shProg;
+ struct gl_shader *sh;
+ gl_shader_stage stage;
+
+ if (!_mesa_has_shader_subroutine(ctx)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ if (!_mesa_validate_shader_target(ctx, shadertype)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ shProg = _mesa_lookup_shader_program_err(ctx, program, api_name);
+ if (!shProg)
+ return;
+
+ stage = _mesa_shader_enum_to_shader_stage(shadertype);
+ sh = shProg->_LinkedShaders[stage];
+ if (!sh) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s", api_name);
+ return;
+ }
+
+ switch (pname) {
+ case GL_ACTIVE_SUBROUTINES:
+ values[0] = sh->NumSubroutineFunctions;
+ break;
+ case GL_ACTIVE_SUBROUTINE_UNIFORM_LOCATIONS:
+ values[0] = sh->NumSubroutineUniformRemapTable;
+ break;
+ case GL_ACTIVE_SUBROUTINE_UNIFORMS:
+ values[0] = sh->NumSubroutineUniformTypes;
+ break;
+ case GL_ACTIVE_SUBROUTINE_MAX_LENGTH:
+ {
+ unsigned i;
+ GLint max_len = 0;
+ GLenum resource_type;
+ struct gl_program_resource *res;
+
+ resource_type = _mesa_shader_stage_to_subroutine(stage);
+ for (i = 0; i < sh->NumSubroutineFunctions; i++) {
+ res = _mesa_program_resource_find_index(shProg, resource_type, i);
+ if (res) {
+ const GLint len = strlen(_mesa_program_resource_name(res)) + 1;
+ if (len > max_len)
+ max_len = len;
+ }
+ }
+ values[0] = max_len;
+ break;
+ }
+ case GL_ACTIVE_SUBROUTINE_UNIFORM_MAX_LENGTH:
+ {
+ unsigned i;
+ GLint max_len = 0;
+ GLenum resource_type;
+ struct gl_program_resource *res;
+
+ resource_type = _mesa_shader_stage_to_subroutine_uniform(stage);
+ for (i = 0; i < sh->NumSubroutineUniformRemapTable; i++) {
+ res = _mesa_program_resource_find_index(shProg, resource_type, i);
+ if (res) {
+ const GLint len = strlen(_mesa_program_resource_name(res)) + 1
+ + ((_mesa_program_resource_array_size(res) != 0) ? 3 : 0);
+
+ if (len > max_len)
+ max_len = len;
+ }
+ }
+ values[0] = max_len;
break;
+ }
default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s", api_name);
+ values[0] = -1;
break;
}
}
+
+static int
+find_compat_subroutine(struct gl_shader *sh, const struct glsl_type *type)
+{
+ int i, j;
+
+ for (i = 0; i < sh->NumSubroutineFunctions; i++) {
+ struct gl_subroutine_function *fn = &sh->SubroutineFunctions[i];
+ for (j = 0; j < fn->num_compat_types; j++) {
+ if (fn->types[j] == type)
+ return i;
+ }
+ }
+ return 0;
+}
+
+static void
+_mesa_shader_init_subroutine_defaults(struct gl_shader *sh)
+{
+ int i, j;
+
+ for (i = 0; i < sh->NumSubroutineUniformRemapTable; i++) {
+ struct gl_uniform_storage *uni = sh->SubroutineUniformRemapTable[i];
+ int uni_count;
+ int val;
+
+ if (!uni)
+ continue;
+ uni_count = uni->array_elements ? uni->array_elements : 1;
+ val = find_compat_subroutine(sh, uni->type);
+
+ for (j = 0; j < uni_count; j++)
+ memcpy(&uni->storage[j], &val, sizeof(int));
+ uni->initialized = true;
+ _mesa_propagate_uniforms_to_driver_storage(uni, 0, uni_count);
+ }
+}
+
+void
+_mesa_shader_program_init_subroutine_defaults(struct gl_shader_program *shProg)
+{
+ int i;
+
+ if (!shProg)
+ return;
+
+ for (i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (!shProg->_LinkedShaders[i])
+ continue;
+
+ _mesa_shader_init_subroutine_defaults(shProg->_LinkedShaders[i]);
+ }
+}
projects / mesa.git / blobdiff