/**
* Binds the given program string to GL_FRAGMENT_PROGRAM_ARB, caching the
* program object.
*/
void
meta_set_fragment_program(struct dri_metaops *meta,
struct gl_fragment_program **prog,
const char *prog_string)
{
GLcontext *ctx = meta->ctx;
assert(meta->saved_fp == NULL);
_mesa_reference_fragprog(ctx, &meta->saved_fp,
ctx->FragmentProgram.Current);
if (*prog == NULL) {
GLuint prog_name;
_mesa_GenPrograms(1, &prog_name);
_mesa_BindProgram(GL_FRAGMENT_PROGRAM_ARB, prog_name);
_mesa_ProgramStringARB(GL_FRAGMENT_PROGRAM_ARB,
GL_PROGRAM_FORMAT_ASCII_ARB,
strlen(prog_string), (const GLubyte *)prog_string);
_mesa_reference_fragprog(ctx, prog, ctx->FragmentProgram.Current);
/* Note that DeletePrograms unbinds the program on us */
_mesa_DeletePrograms(1, &prog_name);
}
FLUSH_VERTICES(ctx, _NEW_PROGRAM);
_mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, *prog);
ctx->Driver.BindProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, &((*prog)->Base));
meta->saved_fp_enable = ctx->FragmentProgram.Enabled;
_mesa_Enable(GL_FRAGMENT_PROGRAM_ARB);
}
/**
* Delete a list of programs.
* \note Not compiled into display lists.
* \note Called by both glDeleteProgramsNV and glDeleteProgramsARB.
*/
void GLAPIENTRY
_mesa_DeletePrograms(GLsizei n, const GLuint *ids)
{
GLint i;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (n < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" );
return;
}
for (i = 0; i < n; i++) {
if (ids[i] != 0) {
struct program *prog = (struct program *)
_mesa_HashLookup(ctx->Shared->Programs, ids[i]);
if (prog) {
if (prog->Target == GL_VERTEX_PROGRAM_NV ||
prog->Target == GL_VERTEX_STATE_PROGRAM_NV) {
if (ctx->VertexProgram.Current &&
ctx->VertexProgram.Current->Base.Id == ids[i]) {
/* unbind this currently bound program */
_mesa_BindProgram(prog->Target, 0);
}
}
else if (prog->Target == GL_FRAGMENT_PROGRAM_NV ||
prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
if (ctx->FragmentProgram.Current &&
ctx->FragmentProgram.Current->Base.Id == ids[i]) {
/* unbind this currently bound program */
_mesa_BindProgram(prog->Target, 0);
}
}
else {
_mesa_problem(ctx, "bad target in glDeleteProgramsNV");
return;
}
prog->RefCount--;
if (prog->RefCount <= 0) {
_mesa_delete_program(ctx, prog);
}
/* always remove from hash table */
_mesa_HashRemove(ctx->Shared->Programs, ids[i]);
}
}
}
}
/**
* Delete a list of programs.
* \note Not compiled into display lists.
* \note Called by both glDeleteProgramsNV and glDeleteProgramsARB.
*/
void GLAPIENTRY
_mesa_DeletePrograms(GLsizei n, const GLuint *ids)
{
GLint i;
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (n < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glDeleteProgramsNV" );
return;
}
for (i = 0; i < n; i++) {
if (ids[i] != 0) {
struct gl_program *prog = _mesa_lookup_program(ctx, ids[i]);
if (prog == &_mesa_DummyProgram) {
_mesa_HashRemove(ctx->Shared->Programs, ids[i]);
}
else if (prog) {
/* Unbind program if necessary */
if (prog->Target == GL_VERTEX_PROGRAM_ARB || /* == GL_VERTEX_PROGRAM_NV */
prog->Target == GL_VERTEX_STATE_PROGRAM_NV) {
if (ctx->VertexProgram.Current &&
ctx->VertexProgram.Current->Base.Id == ids[i]) {
/* unbind this currently bound program */
_mesa_BindProgram(prog->Target, 0);
}
}
else if (prog->Target == GL_FRAGMENT_PROGRAM_NV ||
prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
if (ctx->FragmentProgram.Current &&
ctx->FragmentProgram.Current->Base.Id == ids[i]) {
/* unbind this currently bound program */
_mesa_BindProgram(prog->Target, 0);
}
}
else {
_mesa_problem(ctx, "bad target in glDeleteProgramsNV");
return;
}
/* The ID is immediately available for re-use now */
_mesa_HashRemove(ctx->Shared->Programs, ids[i]);
_mesa_reference_program(ctx, &prog, NULL);
}
}
}
}
/**
* Set up a vertex program to pass through the position and first texcoord
* for pixel path.
*/
void
meta_set_passthrough_vertex_program(struct dri_metaops *meta)
{
GLcontext *ctx = meta->ctx;
static const char *vp =
"!!ARBvp1.0\n"
"TEMP vertexClip;\n"
"DP4 vertexClip.x, state.matrix.mvp.row[0], vertex.position;\n"
"DP4 vertexClip.y, state.matrix.mvp.row[1], vertex.position;\n"
"DP4 vertexClip.z, state.matrix.mvp.row[2], vertex.position;\n"
"DP4 vertexClip.w, state.matrix.mvp.row[3], vertex.position;\n"
"MOV result.position, vertexClip;\n"
"MOV result.texcoord[0], vertex.texcoord[0];\n"
"MOV result.color, vertex.color;\n"
"END\n";
assert(meta->saved_vp == NULL);
_mesa_reference_vertprog(ctx, &meta->saved_vp,
ctx->VertexProgram.Current);
if (meta->passthrough_vp == NULL) {
GLuint prog_name;
_mesa_GenPrograms(1, &prog_name);
_mesa_BindProgram(GL_VERTEX_PROGRAM_ARB, prog_name);
_mesa_ProgramStringARB(GL_VERTEX_PROGRAM_ARB,
GL_PROGRAM_FORMAT_ASCII_ARB,
strlen(vp), (const GLubyte *)vp);
_mesa_reference_vertprog(ctx, &meta->passthrough_vp,
ctx->VertexProgram.Current);
_mesa_DeletePrograms(1, &prog_name);
}
FLUSH_VERTICES(ctx, _NEW_PROGRAM);
_mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current,
meta->passthrough_vp);
ctx->Driver.BindProgram(ctx, GL_VERTEX_PROGRAM_ARB,
&meta->passthrough_vp->Base);
meta->saved_vp_enable = ctx->VertexProgram.Enabled;
_mesa_Enable(GL_VERTEX_PROGRAM_ARB);
}
