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path: root/mesalib/src/mesa/main/shaderapi.c
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Diffstat (limited to 'mesalib/src/mesa/main/shaderapi.c')
-rw-r--r--mesalib/src/mesa/main/shaderapi.c144
1 files changed, 121 insertions, 23 deletions
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c
index 5060cbb0b..1c8e6b4cf 100644
--- a/mesalib/src/mesa/main/shaderapi.c
+++ b/mesalib/src/mesa/main/shaderapi.c
@@ -44,6 +44,7 @@
#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"
@@ -144,6 +145,8 @@ _mesa_free_shader_state(struct gl_context *ctx)
_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);
}
@@ -465,8 +468,8 @@ static GLuint
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;
}
@@ -837,7 +840,7 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj)
*/
sh->CompileStatus = GL_FALSE;
} else {
- if (ctx->Shader.Flags & GLSL_DUMP) {
+ if (ctx->_Shader->Flags & GLSL_DUMP) {
fprintf(stderr, "GLSL source for %s shader %d:\n",
_mesa_shader_stage_to_string(sh->Stage), sh->Name);
fprintf(stderr, "%s\n", sh->Source);
@@ -849,11 +852,11 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj)
*/
_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) {
fprintf(stderr, "GLSL IR for shader %d:\n", sh->Name);
_mesa_print_ir(stderr, sh->ir, NULL);
@@ -871,7 +874,7 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj)
}
if (!sh->CompileStatus) {
- if (ctx->Shader.Flags & GLSL_DUMP_ON_ERROR) {
+ if (ctx->_Shader->Flags & GLSL_DUMP_ON_ERROR) {
fprintf(stderr, "GLSL source for %s shader %d:\n",
_mesa_shader_stage_to_string(sh->Stage), sh->Name);
fprintf(stderr, "%s\n", sh->Source);
@@ -879,7 +882,7 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj)
fflush(stderr);
}
- 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);
}
@@ -915,7 +918,7 @@ link_program(struct gl_context *ctx, GLuint program)
_mesa_glsl_link_shader(ctx, shProg);
if (shProg->LinkStatus == GL_FALSE &&
- (ctx->Shader.Flags & GLSL_REPORT_ERRORS)) {
+ (ctx->_Shader->Flags & GLSL_REPORT_ERRORS)) {
_mesa_debug(ctx, "Error linking program %u:\n%s\n",
shProg->Name, shProg->InfoLog);
}
@@ -986,17 +989,21 @@ _mesa_active_program(struct gl_context *ctx, struct gl_shader_program *shProg,
*/
static void
use_shader_program(struct gl_context *ctx, GLenum type,
- struct gl_shader_program *shProg)
+ 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];
+ 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
@@ -1013,9 +1020,9 @@ use_shader_program(struct gl_context *ctx, GLenum type,
/* Empty for now. */
break;
case GL_FRAGMENT_SHADER:
- if (*target == ctx->Shader._CurrentFragmentProgram) {
+ if (*target == ctx->_Shader->_CurrentFragmentProgram) {
_mesa_reference_shader_program(ctx,
- &ctx->Shader._CurrentFragmentProgram,
+ &ctx->_Shader->_CurrentFragmentProgram,
NULL);
}
break;
@@ -1032,10 +1039,10 @@ use_shader_program(struct gl_context *ctx, GLenum type,
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);
- use_shader_program(ctx, GL_COMPUTE_SHADER, 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);
_mesa_active_program(ctx, shProg, "glUseProgram");
if (ctx->Driver.UseProgram)
@@ -1533,7 +1540,7 @@ _mesa_UseProgram(GLhandleARB program)
}
/* debug code */
- if (ctx->Shader.Flags & GLSL_USE_PROG) {
+ if (ctx->_Shader->Flags & GLSL_USE_PROG) {
print_shader_info(shProg);
}
}
@@ -1541,7 +1548,31 @@ _mesa_UseProgram(GLhandleARB program)
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);
+ }
+ }
}
@@ -1773,9 +1804,10 @@ _mesa_ProgramParameteri(GLuint program, GLenum pname, GLint 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);
+ use_shader_program(ctx, type, shProg, shTarget);
if (ctx->Driver.UseProgram)
ctx->Driver.UseProgram(ctx, shProg);
@@ -1815,7 +1847,41 @@ _mesa_UseShaderProgramEXT(GLenum type, GLuint program)
}
}
- _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, ctx->_Shader);
+ } else {
+ /* Must be done first: detach the progam */
+ _mesa_use_shader_program(ctx, type, shProg, ctx->_Shader);
+
+ /* Nothing remains current */
+ if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX] &&
+ !ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY] &&
+ !ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT] &&
+ !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);
+ }
+ }
+ }
}
@@ -1830,7 +1896,39 @@ _mesa_ActiveProgramEXT(GLuint program)
? _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.CurrentProgram[MESA_SHADER_VERTEX] &&
+ !ctx->Shader.CurrentProgram[MESA_SHADER_GEOMETRY] &&
+ !ctx->Shader.CurrentProgram[MESA_SHADER_FRAGMENT] &&
+ !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;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-08 16:36:51 +0000