*/
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->Const.ShaderCompilerOptions[sh], &options, sizeof(options));
/* Extended for ARB_separate_shader_objects */
ctx->Shader.RefCount = 1;
mtx_init(&ctx->Shader.Mutex, mtx_plain);
+
+ 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;
}
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;
default:
}
/* grow list */
- shProg->Shaders = (struct gl_shader **)
- realloc(shProg->Shaders,
- (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;
}
-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 = ctx->Driver.NewShaderProgram(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)
/* 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);
/* 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++) {
}
+/**
+ * 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;
}
*params = _mesa_longest_attribute_name_length(shProg);
return;
case GL_ACTIVE_UNIFORMS:
- *params = shProg->NumUserUniformStorage;
+ *params = shProg->NumUniformStorage - shProg->NumHiddenUniforms;
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 < shProg->NumUserUniformStorage; i++) {
+ for (i = 0; i < num_uniforms; 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;
case GL_PROGRAM_SEPARABLE:
*params = 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;
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->Const.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) {
- fprintf(stderr, "GLSL source for %s shader %d:\n",
+ _mesa_log("GLSL source for %s shader %d:\n",
_mesa_shader_stage_to_string(sh->Stage), sh->Name);
- fprintf(stderr, "%s\n", sh->Source);
- fflush(stderr);
+ _mesa_log("%s\n", sh->Source);
}
/* this call will set the shader->CompileStatus field to indicate if
if (ctx->_Shader->Flags & GLSL_DUMP) {
if (sh->CompileStatus) {
- fprintf(stderr, "GLSL IR for shader %d:\n", sh->Name);
- _mesa_print_ir(stderr, sh->ir, NULL);
- fprintf(stderr, "\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 {
- fprintf(stderr, "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) {
- fprintf(stderr, "GLSL shader %d info log:\n", sh->Name);
- fprintf(stderr, "%s\n", sh->InfoLog);
+ _mesa_log("GLSL shader %d info log:\n", sh->Name);
+ _mesa_log("%s\n", sh->InfoLog);
}
- fflush(stderr);
}
-
}
if (!sh->CompileStatus) {
if (ctx->_Shader->Flags & GLSL_DUMP_ON_ERROR) {
- fprintf(stderr, "GLSL source for %s shader %d:\n",
+ _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) {
_mesa_glsl_link_shader(ctx, shProg);
- if (shProg->LinkStatus == GL_FALSE &&
+ 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,
+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 = &shTarget->CurrentProgram[stage];
- if ((shProg == NULL) || (shProg->_LinkedShaders[stage] == NULL))
+ if ((shProg != NULL) && (shProg->_LinkedShaders[stage] == NULL))
shProg = NULL;
if (*target != shProg) {
* it from that binding point as well. This ensures that the correct
* semantics of glDeleteProgram are maintained.
*/
- switch (type) {
- case GL_VERTEX_SHADER:
+ switch (stage) {
+ case MESA_SHADER_VERTEX:
/* Empty for now. */
break;
- case GL_GEOMETRY_SHADER_ARB:
+ case MESA_SHADER_GEOMETRY:
/* Empty for now. */
break;
- case GL_COMPUTE_SHADER:
+ case MESA_SHADER_COMPUTE:
/* Empty for now. */
break;
- case GL_FRAGMENT_SHADER:
+ case MESA_SHADER_FRAGMENT:
if (*target == ctx->_Shader->_CurrentFragmentProgram) {
_mesa_reference_shader_program(ctx,
&ctx->_Shader->_CurrentFragmentProgram,
}
}
+
/**
* 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, &ctx->Shader);
- use_shader_program(ctx, GL_GEOMETRY_SHADER_ARB, shProg, &ctx->Shader);
- use_shader_program(ctx, GL_FRAGMENT_SHADER, shProg, &ctx->Shader);
- use_shader_program(ctx, GL_COMPUTE_SHADER, shProg, &ctx->Shader);
+ int i;
+ for (i = 0; i < MESA_SHADER_STAGES; i++)
+ use_shader_program(ctx, i, shProg, &ctx->Shader);
_mesa_active_program(ctx, shProg, "glUseProgram");
if (ctx->Driver.UseProgram)
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,
{
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);
}
fclose(f);
- shader = _mesa_strdup(buffer);
+ shader = strdup(buffer);
free(buffer);
return shader;
(void) binaryformat;
(void) binary;
(void) length;
- _mesa_error(ctx, GL_INVALID_OPERATION, __FUNCTION__);
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glShaderBinary");
}
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
* Chapter 7.3 Program Objects
*/
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;
}
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_pipeline_object *shTarget)
{
- use_shader_program(ctx, type, shProg, shTarget);
+ 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);
case MESA_SHADER_VERTEX:
dst->UsesClipDistanceOut = src->Vert.UsesClipDistance;
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;
+ }
+ 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;
+ break;
+ }
case MESA_SHADER_GEOMETRY: {
struct gl_geometry_program *dst_gp = (struct gl_geometry_program *) dst;
dst_gp->VerticesIn = src->Geom.VerticesIn;
return _mesa_create_shader_program(ctx, GL_TRUE, type, count, strings);
}
+
+
+/**
+ * For GL_ARB_tessellation_shader
+ */
+extern void GLAPIENTRY
+_mesa_PatchParameteri(GLenum pname, GLint value)
+{
+ 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;
+ }
+}
+