#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"
/**
* 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");
for (sh = 0; sh < MESA_SHADER_STAGES; ++sh)
memcpy(&ctx->ShaderCompilerOptions[sh], &options, sizeof(options));
- ctx->Shader.Flags = get_shader_flags();
+ ctx->Shader.Flags = _mesa_get_shader_flags();
+
+ /* Extended for ARB_separate_shader_objects */
+ ctx->Shader.RefCount = 1;
+ mtx_init(&ctx->Shader.Mutex, mtx_plain);
}
_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_COMPUTE_SHADER:
+ return ctx == NULL || ctx->Extensions.ARB_compute_shader;
default:
return false;
}
_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_GEOMETRY_SHADER ||
+ shProg->Shaders[j]->Type == GL_FRAGMENT_SHADER);
+ assert(shProg->Shaders[j]->RefCount > 0);
}
#endif
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;
*params = shProg->NumAtomicBuffers;
return;
+ case GL_COMPUTE_WORK_GROUP_SIZE: {
+ int i;
+ if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_compute_shader)
+ 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 (!ctx->Extensions.ARB_separate_shader_objects)
+ break;
+
+ *params = shProg->SeparateShader;
+ return;
default:
break;
}
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);
+ fprintf(stderr, "GLSL source for %s shader %d:\n",
+ _mesa_shader_stage_to_string(sh->Stage), sh->Name);
+ fprintf(stderr, "%s\n", sh->Source);
+ fflush(stderr);
}
/* this call will set the shader->CompileStatus field to indicate if
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");
+ fprintf(stderr, "GLSL IR for shader %d:\n", sh->Name);
+ _mesa_print_ir(stderr, sh->ir, NULL);
+ fprintf(stderr, "\n\n");
} else {
- printf("GLSL shader %d failed to compile.\n", sh->Name);
+ fprintf(stderr, "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);
+ fprintf(stderr, "GLSL shader %d info log:\n", sh->Name);
+ fprintf(stderr, "%s\n", sh->InfoLog);
}
+ fflush(stderr);
}
}
case GL_GEOMETRY_SHADER_ARB:
/* Empty for now. */
break;
+ case GL_COMPUTE_SHADER:
+ /* Empty for now. */
+ break;
case GL_FRAGMENT_SHADER:
if (*target == ctx->Shader._CurrentFragmentProgram) {
_mesa_reference_shader_program(ctx,
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);
+ use_shader_program(ctx, GL_COMPUTE_SHADER, shProg);
_mesa_active_program(ctx, shProg, "glUseProgram");
if (ctx->Driver.UseProgram)
shProg = NULL;
}
- _mesa_use_program(ctx, shProg);
+ /* The "Dependencies on EXT_separate_shader_objects" section of 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 for any shader stage or for uniform updates established by
+ * UseProgram, UseShaderProgramEXT, or ActiveProgramEXT, the current
+ * program for that stage (if any) is considered current. Otherwise,
+ * if there is a bound program pipeline object ..."
+ */
+ 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);
+ }
+ }
}
*/
shProg->BinaryRetreivableHint = value;
return;
+
+ case GL_PROGRAM_SEPARABLE:
+ if (!ctx->Extensions.ARB_separate_shader_objects)
+ break;
+
+ /* 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) {
+ _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;
+ }
+ shProg->SeparateShader = value;
+ return;
+
default:
break;
}
}
}
- _mesa_use_shader_program(ctx, type, shProg);
+ /* The "Dependencies on EXT_separate_shader_objects" section of 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 for any shader stage or for uniform updates established by
+ * UseProgram, UseShaderProgramEXT, or ActiveProgramEXT, the current
+ * program for that stage (if any) is considered current. Otherwise,
+ * if there is a bound program pipeline object ..."
+ */
+ if (program) {
+ /* Attach shader state to the binding point */
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, &ctx->Shader);
+ /* Update the program */
+ _mesa_use_shader_program(ctx, type, shProg);
+ } else {
+ /* Must be done first: detach the progam */
+ _mesa_use_shader_program(ctx, type, shProg);
+
+ /* Nothing remains current */
+ if (!ctx->Shader.CurrentVertexProgram &&
+ !ctx->Shader.CurrentGeometryProgram &&
+ !ctx->Shader.CurrentFragmentProgram &&
+ !ctx->Shader.ActiveProgram) {
+
+ /* 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);
+ }
+ }
+ }
}
? _mesa_lookup_shader_program_err(ctx, program, "glActiveProgramEXT")
: NULL;
- _mesa_active_program(ctx, shProg, "glActiveProgramEXT");
+ /* The "Dependencies on EXT_separate_shader_objects" section of 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 for any shader stage or for uniform updates established by
+ * UseProgram, UseShaderProgramEXT, or ActiveProgramEXT, the current
+ * program for that stage (if any) is considered current. Otherwise,
+ * if there is a bound program pipeline object ..."
+ */
+ if (shProg != NULL) {
+ /* Attach shader state to the binding point */
+ _mesa_reference_pipeline_object(ctx, &ctx->_Shader, &ctx->Shader);
+ _mesa_active_program(ctx, shProg, "glActiveProgramEXT");
+ } else {
+ /* Must be done first: unset the current active progam */
+ _mesa_active_program(ctx, shProg, "glActiveProgramEXT");
+
+ /* Nothing remains current */
+ if (!ctx->Shader.CurrentVertexProgram && !ctx->Shader.CurrentGeometryProgram &&
+ !ctx->Shader.CurrentFragmentProgram && !ctx->Shader.ActiveProgram) {
+
+ /* 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);
+ }
+ }
+ }
+
return;
}
-
-/**
- * For GL_EXT_separate_shader_objects
- */
-GLuint GLAPIENTRY
-_mesa_CreateShaderProgramEXT(GLenum type, const GLchar *string)
+static GLuint
+_mesa_create_shader_program(struct gl_context* ctx, GLboolean separate,
+ GLenum type, GLsizei count, const GLchar* const *strings)
{
- GET_CURRENT_CONTEXT(ctx);
const GLuint shader = create_shader(ctx, type);
GLuint program = 0;
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 = separate;
+
get_shaderiv(ctx, shader, GL_COMPILE_STATUS, &compiled);
if (compiled) {
attach_shader(ctx, program, shader);
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->UsesClipDistanceOut = src->Geom.UsesClipDistance;
dst_gp->UsesEndPrimitive = src->Geom.UsesEndPrimitive;
}
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;
}
}
+
+
+/**
+ * For GL_EXT_separate_shader_objects
+ */
+GLuint GLAPIENTRY
+_mesa_CreateShaderProgramEXT(GLenum type, const GLchar *string)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ return _mesa_create_shader_program(ctx, GL_FALSE, type, 1, &string);
+}
+
+/**
+ * ARB_separate_shader_objects: Compile & Link Program
+ *
+ * Basically the same as _mesa_CreateShaderProgramEXT but with support of
+ * multiple strings and sets the SeparateShader flag to true.
+ */
+GLuint GLAPIENTRY
+_mesa_CreateShaderProgramv(GLenum type, GLsizei count,
+ const GLchar* const *strings)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ return _mesa_create_shader_program(ctx, GL_TRUE, type, count, strings);
+}
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