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Diffstat (limited to 'src/mesa/main/shaderapi.c')
-rw-r--r--src/mesa/main/shaderapi.c27
1 files changed, 16 insertions, 11 deletions
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index ada26233518..1c8e6b4cf5b 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -989,17 +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
@@ -1035,10 +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)
@@ -1800,9 +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);
@@ -1856,10 +1861,10 @@ _mesa_UseShaderProgramEXT(GLenum type, GLuint 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);
+ _mesa_use_shader_program(ctx, type, shProg, ctx->_Shader);
} else {
/* Must be done first: detach the progam */
- _mesa_use_shader_program(ctx, type, shProg);
+ _mesa_use_shader_program(ctx, type, shProg, ctx->_Shader);
/* Nothing remains current */
if (!ctx->Shader.CurrentProgram[MESA_SHADER_VERTEX] &&