* GL_ARB_separate_shader_objects extension.
*/
+#include <stdbool.h>
#include "main/glheader.h"
#include "main/context.h"
#include "main/dispatch.h"
#include "main/shaderobj.h"
#include "main/transformfeedback.h"
#include "main/uniforms.h"
+#include "compiler/glsl/glsl_parser_extras.h"
+#include "compiler/glsl/ir_uniform.h"
#include "program/program.h"
#include "program/prog_parameter.h"
#include "util/ralloc.h"
-#include <stdbool.h>
-#include "../glsl/glsl_parser_extras.h"
-#include "../glsl/ir_uniform.h"
/**
* Delete a pipeline object.
* Callback for deleting a pipeline object. Called by _mesa_HashDeleteAll().
*/
static void
-delete_pipelineobj_cb(GLuint id, void *data, void *userData)
+delete_pipelineobj_cb(UNUSED GLuint id, void *data, void *userData)
{
struct gl_pipeline_object *obj = (struct gl_pipeline_object *) data;
struct gl_context *ctx = (struct gl_context *) userData;
struct gl_shader_program *shProg = NULL;
GLbitfield any_valid_stages;
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glUseProgramStages(%u, 0x%x, %u)\n",
+ pipeline, stages, program);
+
if (!pipe) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glUseProgramStages(pipeline)");
return;
if (_mesa_has_tessellation(ctx))
any_valid_stages |= GL_TESS_CONTROL_SHADER_BIT |
GL_TESS_EVALUATION_SHADER_BIT;
+ if (_mesa_has_compute_shaders(ctx))
+ any_valid_stages |= GL_COMPUTE_SHADER_BIT;
if (stages != GL_ALL_SHADER_BITS && (stages & ~any_valid_stages) != 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glUseProgramStages(Stages)");
if ((stages & GL_TESS_EVALUATION_SHADER_BIT) != 0)
_mesa_use_shader_program(ctx, GL_TESS_EVALUATION_SHADER, shProg, pipe);
+
+ if ((stages & GL_COMPUTE_SHADER_BIT) != 0)
+ _mesa_use_shader_program(ctx, GL_COMPUTE_SHADER, shProg, pipe);
+
+ pipe->Validated = false;
}
/**
struct gl_shader_program *shProg = NULL;
struct gl_pipeline_object *pipe = _mesa_lookup_pipeline_object(ctx, pipeline);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glActiveShaderProgram(%u, %u)\n", pipeline, program);
+
if (program != 0) {
shProg = _mesa_lookup_shader_program_err(ctx, program,
"glActiveShaderProgram(program)");
GET_CURRENT_CONTEXT(ctx);
struct gl_pipeline_object *newObj = NULL;
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glBindProgramPipeline(%u)\n", pipeline);
+
/* Rebinding the same pipeline object: no change.
*/
if (ctx->_Shader->Name == pipeline)
_mesa_bind_pipeline(struct gl_context *ctx,
struct gl_pipeline_object *pipe)
{
+ int i;
/* First bind the Pipeline to pipeline binding point */
_mesa_reference_pipeline_object(ctx, &ctx->Pipeline.Current, pipe);
FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
- if (ctx->Driver.UseProgram)
- ctx->Driver.UseProgram(ctx, NULL);
+ for (i = 0; i < MESA_SHADER_STAGES; i++)
+ _mesa_shader_program_init_subroutine_defaults(ctx, ctx->_Shader->CurrentProgram[i]);
}
}
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDeleteProgramPipelines(%d, %p)\n", n, pipelines);
+
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteProgramPipelines(n<0)");
return;
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glGenProgramPipelines(%d, %p)\n", n, pipelines);
+
create_program_pipelines(ctx, n, pipelines, false);
}
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glCreateProgramPipelines(%d, %p)\n", n, pipelines);
+
create_program_pipelines(ctx, n, pipelines, true);
}
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glIsProgramPipeline(%u)\n", pipeline);
+
struct gl_pipeline_object *obj = _mesa_lookup_pipeline_object(ctx, pipeline);
if (obj == NULL)
return GL_FALSE;
GET_CURRENT_CONTEXT(ctx);
struct gl_pipeline_object *pipe = _mesa_lookup_pipeline_object(ctx, pipeline);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glGetProgramPipelineiv(%u, %d, %p)\n",
+ pipeline, pname, params);
+
/* Are geometry shaders available in this context?
*/
const bool has_gs = _mesa_has_geometry_shaders(ctx);
- const bool has_tess = _mesa_has_tessellation(ctx);;
+ const bool has_tess = _mesa_has_tessellation(ctx);
if (!pipe) {
_mesa_error(ctx, GL_INVALID_OPERATION,
*params = pipe->ActiveProgram ? pipe->ActiveProgram->Name : 0;
return;
case GL_INFO_LOG_LENGTH:
- *params = pipe->InfoLog ? strlen(pipe->InfoLog) + 1 : 0;
+ *params = (pipe->InfoLog && pipe->InfoLog[0] != '\0') ?
+ strlen(pipe->InfoLog) + 1 : 0;
return;
case GL_VALIDATE_STATUS:
- /* If pipeline is not bound, return initial value 0. */
- *params = (ctx->_Shader->Name != pipe->Name) ? 0 : pipe->Validated;
+ *params = pipe->Validated;
return;
case GL_VERTEX_SHADER:
*params = pipe->CurrentProgram[MESA_SHADER_VERTEX]
*params = pipe->CurrentProgram[MESA_SHADER_FRAGMENT]
? pipe->CurrentProgram[MESA_SHADER_FRAGMENT]->Name : 0;
return;
+ case GL_COMPUTE_SHADER:
+ if (!_mesa_has_compute_shaders(ctx))
+ break;
+ *params = pipe->CurrentProgram[MESA_SHADER_COMPUTE]
+ ? pipe->CurrentProgram[MESA_SHADER_COMPUTE]->Name : 0;
+ return;
default:
break;
}
extern GLboolean
_mesa_validate_program_pipeline(struct gl_context* ctx,
- struct gl_pipeline_object *pipe,
- GLboolean IsBound)
+ struct gl_pipeline_object *pipe)
{
unsigned i;
+ bool program_empty = true;
pipe->Validated = GL_FALSE;
*/
for (i = 0; i < MESA_SHADER_STAGES; i++) {
if (!program_stages_all_active(pipe, pipe->CurrentProgram[i])) {
- goto err;
+ return GL_FALSE;
}
}
ralloc_strdup(pipe,
"Program is active for multiple shader stages with an "
"intervening stage provided by another program");
- goto err;
+ return GL_FALSE;
}
/* Section 2.11.11 (Shader Execution), subheading "Validation," of the
pipe->CurrentProgram[MESA_SHADER_TESS_CTRL] ||
pipe->CurrentProgram[MESA_SHADER_TESS_EVAL])) {
pipe->InfoLog = ralloc_strdup(pipe, "Program lacks a vertex shader");
- goto err;
+ return GL_FALSE;
}
/* Section 2.11.11 (Shader Execution), subheading "Validation," of the
"Program %d was relinked without "
"PROGRAM_SEPARABLE state",
pipe->CurrentProgram[i]->Name);
- goto err;
+ return GL_FALSE;
}
}
+ /* Section 11.1.3.11 (Validation) of the OpenGL 4.5 spec says:
+ *
+ * "An INVALID_OPERATION error is generated by any command that trans-
+ * fers vertices to the GL or launches compute work if the current set
+ * of active program objects cannot be executed, for reasons including:
+ *
+ * ...
+ *
+ * - There is no current program object specified by UseProgram,
+ * there is a current program pipeline object, and that object is
+ * empty (no executable code is installed for any stage).
+ */
+ for (i = 0; i < MESA_SHADER_STAGES; i++) {
+ if (pipe->CurrentProgram[i]) {
+ program_empty = false;
+ break;
+ }
+ }
+
+ if (program_empty) {
+ return GL_FALSE;
+ }
+
/* Section 2.11.11 (Shader Execution), subheading "Validation," of the
* OpenGL 4.1 spec says:
*
* maximum number of texture image units allowed."
*/
if (!_mesa_sampler_uniforms_pipeline_are_valid(pipe))
- goto err;
+ return GL_FALSE;
- pipe->Validated = GL_TRUE;
- return GL_TRUE;
+ /* Validate inputs against outputs, this cannot be done during linking
+ * since programs have been linked separately from each other.
+ *
+ * Section 11.1.3.11 (Validation) of the OpenGL 4.5 Core Profile spec says:
+ *
+ * "Separable program objects may have validation failures that cannot be
+ * detected without the complete program pipeline. Mismatched interfaces,
+ * improper usage of program objects together, and the same
+ * state-dependent failures can result in validation errors for such
+ * program objects."
+ *
+ * OpenGL ES 3.1 specification has the same text.
+ *
+ * Section 11.1.3.11 (Validation) of the OpenGL ES spec also says:
+ *
+ * An INVALID_OPERATION error is generated by any command that transfers
+ * vertices to the GL or launches compute work if the current set of
+ * active program objects cannot be executed, for reasons including:
+ *
+ * * The current program pipeline object contains a shader interface
+ * that doesn't have an exact match (see section 7.4.1)
+ *
+ * Based on this, only perform the most-strict checking on ES or when the
+ * application has created a debug context.
+ */
+ if ((_mesa_is_gles(ctx) || (ctx->Const.ContextFlags & GL_CONTEXT_FLAG_DEBUG_BIT)) &&
+ !_mesa_validate_pipeline_io(pipe)) {
+ if (_mesa_is_gles(ctx))
+ return GL_FALSE;
-err:
- if (IsBound)
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glValidateProgramPipeline failed to validate the pipeline");
+ static GLuint msg_id = 0;
+
+ _mesa_gl_debug(ctx, &msg_id,
+ MESA_DEBUG_SOURCE_API,
+ MESA_DEBUG_TYPE_PORTABILITY,
+ MESA_DEBUG_SEVERITY_MEDIUM,
+ "glValidateProgramPipeline: pipeline %u does not meet "
+ "strict OpenGL ES 3.1 requirements and may not be "
+ "portable across desktop hardware\n",
+ pipe->Name);
+ }
- return GL_FALSE;
+ pipe->Validated = GL_TRUE;
+ return GL_TRUE;
}
/**
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glValidateProgramPipeline(%u)\n", pipeline);
+
struct gl_pipeline_object *pipe = _mesa_lookup_pipeline_object(ctx, pipeline);
if (!pipe) {
return;
}
- _mesa_validate_program_pipeline(ctx, pipe,
- (ctx->_Shader->Name == pipe->Name));
+ _mesa_validate_program_pipeline(ctx, pipe);
}
void GLAPIENTRY
{
GET_CURRENT_CONTEXT(ctx);
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glGetProgramPipelineInfoLog(%u, %d, %p, %p)\n",
+ pipeline, bufSize, length, infoLog);
+
struct gl_pipeline_object *pipe = _mesa_lookup_pipeline_object(ctx, pipeline);
if (!pipe) {
return;
}
- if (pipe->InfoLog)
- _mesa_copy_string(infoLog, bufSize, length, pipe->InfoLog);
- else
- *length = 0;
+ _mesa_copy_string(infoLog, bufSize, length, pipe->InfoLog);
}
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