void
st_destroy_drawpix(struct st_context *st)
{
st_reference_fragprog(st, &st->drawpix.z_shader, NULL);
st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
st_reference_vertprog(st, &st->drawpix.vert_shaders[0], NULL);
st_reference_vertprog(st, &st->drawpix.vert_shaders[1], NULL);
}
void st_destroy_context( struct st_context *st )
{
struct pipe_context *pipe = st->pipe;
struct gl_context *ctx = st->ctx;
GLuint i;
_mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st);
st_reference_fragprog(st, &st->fp, NULL);
st_reference_geomprog(st, &st->gp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
/* release framebuffer surfaces */
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
}
pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
_vbo_DestroyContext(st->ctx);
st_destroy_program_variants(st);
_mesa_free_context_data(ctx);
/* This will free the st_context too, so 'st' must not be accessed
* afterwards. */
st_destroy_context_priv(st);
st = NULL;
pipe->destroy( pipe );
free(ctx);
}
void st_destroy_context( struct st_context *st )
{
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLcontext *ctx = st->ctx;
GLuint i;
/* need to unbind and destroy CSO objects before anything else */
cso_release_all(st->cso_context);
st_reference_fragprog(st, &st->fp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
/* release framebuffer surfaces */
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
}
pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
_vbo_DestroyContext(st->ctx);
_mesa_free_context_data(ctx);
st_destroy_context_priv(st);
cso_destroy_context(cso);
pipe->destroy( pipe );
free(ctx);
}
/**
* Update fragment program state/atom. This involves translating the
* Mesa fragment program into a gallium fragment program and binding it.
*/
static void
update_fp( struct st_context *st )
{
struct st_fragment_program *stfp;
struct st_fp_variant_key key;
assert(st->ctx->FragmentProgram._Current);
stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB);
memset(&key, 0, sizeof(key));
key.st = st;
/* _NEW_FRAG_CLAMP */
key.clamp_color = st->clamp_frag_color_in_shader &&
st->ctx->Color._ClampFragmentColor &&
!st->ctx->DrawBuffer->_IntegerColor;
st->fp_variant = st_get_fp_variant(st, stfp, &key);
st_reference_fragprog(st, &st->fp, stfp);
if (st->missing_textures) {
/* use a pass-through frag shader that uses no textures */
void *fs = get_passthrough_fs(st);
cso_set_fragment_shader_handle(st->cso_context, fs);
}
else {
cso_set_fragment_shader_handle(st->cso_context,
st->fp_variant->driver_shader);
}
}
void
st_destroy_drawpix(struct st_context *st)
{
GLuint i;
for (i = 0; i < Elements(st->drawpix.shaders); i++) {
if (st->drawpix.shaders[i])
_mesa_reference_fragprog(st->ctx, &st->drawpix.shaders[i], NULL);
}
st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
if (st->drawpix.vert_shaders[0])
ureg_free_tokens(st->drawpix.vert_shaders[0]);
if (st->drawpix.vert_shaders[1])
ureg_free_tokens(st->drawpix.vert_shaders[1]);
}
void st_destroy_context( struct st_context *st )
{
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
struct gl_context *ctx = st->ctx;
GLuint i;
_mesa_HashWalk(ctx->Shared->TexObjects, destroy_tex_sampler_cb, st);
/* need to unbind and destroy CSO objects before anything else */
cso_release_all(st->cso_context);
st_reference_fragprog(st, &st->fp, NULL);
st_reference_geomprog(st, &st->gp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
/* release framebuffer surfaces */
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
pipe_surface_reference(&st->state.framebuffer.cbufs[i], NULL);
}
pipe_surface_reference(&st->state.framebuffer.zsbuf, NULL);
pipe->set_index_buffer(pipe, NULL);
for (i = 0; i < PIPE_SHADER_TYPES; i++) {
pipe->set_constant_buffer(pipe, i, 0, NULL);
}
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
_vbo_DestroyContext(st->ctx);
st_destroy_program_variants(st);
_mesa_free_context_data(ctx);
/* This will free the st_context too, so 'st' must not be accessed
* afterwards. */
st_destroy_context_priv(st);
st = NULL;
cso_destroy_context(cso);
pipe->destroy( pipe );
free(ctx);
}
/**
* Update fragment program state/atom. This involves translating the
* Mesa fragment program into a gallium fragment program and binding it.
*/
static void
update_fp( struct st_context *st )
{
struct st_fragment_program *stfp;
struct st_fp_variant_key key;
assert(st->ctx->FragmentProgram._Current);
stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB);
memset(&key, 0, sizeof(key));
key.st = st->has_shareable_shaders ? NULL : st;
/* _NEW_FRAG_CLAMP */
key.clamp_color = st->clamp_frag_color_in_shader &&
st->ctx->Color._ClampFragmentColor;
/* _NEW_MULTISAMPLE | _NEW_BUFFERS */
key.persample_shading =
st->force_persample_in_shader &&
_mesa_is_multisample_enabled(st->ctx) &&
st->ctx->Multisample.SampleShading &&
st->ctx->Multisample.MinSampleShadingValue *
_mesa_geometric_samples(st->ctx->DrawBuffer) > 1;
if (stfp->ati_fs) {
unsigned u;
if (st->ctx->Fog.Enabled) {
key.fog = translate_fog_mode(st->ctx->Fog.Mode);
}
for (u = 0; u < MAX_NUM_FRAGMENT_REGISTERS_ATI; u++) {
key.texture_targets[u] = get_texture_target(st->ctx, u);
}
}
st->fp_variant = st_get_fp_variant(st, stfp, &key);
st_reference_fragprog(st, &st->fp, stfp);
cso_set_fragment_shader_handle(st->cso_context,
st->fp_variant->driver_shader);
}
/**
* Combine basic bitmap fragment program with the user-defined program.
* \param st current context
* \param fpIn the incoming fragment program
* \param fpOut the new fragment program which does fragment culling
* \param bitmap_sampler sampler number for the bitmap texture
*/
void
st_make_bitmap_fragment_program(struct st_context *st,
struct gl_fragment_program *fpIn,
struct gl_fragment_program **fpOut,
GLuint *bitmap_sampler)
{
struct st_fragment_program *bitmap_prog;
struct st_fragment_program *stfpIn = (struct st_fragment_program *) fpIn;
struct gl_program *newProg;
uint sampler;
/*
* Generate new program which is the user-defined program prefixed
* with the bitmap sampler/kill instructions.
*/
sampler = find_free_bit(fpIn->Base.SamplersUsed);
if (stfpIn->glsl_to_tgsi)
newProg = make_bitmap_fragment_program_glsl(st, stfpIn, sampler);
else {
bitmap_prog = make_bitmap_fragment_program(st->ctx, sampler);
newProg = _mesa_combine_programs(st->ctx,
&bitmap_prog->Base.Base,
&fpIn->Base);
/* done with this after combining */
st_reference_fragprog(st, &bitmap_prog, NULL);
}
#if 0
{
printf("Combined bitmap program:\n");
_mesa_print_program(newProg);
printf("InputsRead: 0x%x\n", newProg->InputsRead);
printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten);
_mesa_print_parameter_list(newProg->Parameters);
}
#endif
/* return results */
*fpOut = (struct gl_fragment_program *) newProg;
*bitmap_sampler = sampler;
}
static void
update_linkage( struct st_context *st )
{
struct st_vertex_program *stvp;
struct st_fragment_program *stfp;
struct translated_vertex_program *xvp;
/* find active shader and params -- Should be covered by
* ST_NEW_VERTEX_PROGRAM
*/
assert(st->ctx->VertexProgram._Current);
stvp = st_vertex_program(st->ctx->VertexProgram._Current);
assert(stvp->Base.Base.Target == GL_VERTEX_PROGRAM_ARB);
assert(st->ctx->FragmentProgram._Current);
stfp = st_fragment_program(st->ctx->FragmentProgram._Current);
assert(stfp->Base.Base.Target == GL_FRAGMENT_PROGRAM_ARB);
xvp = find_translated_vp(st, stvp, stfp);
st_reference_vertprog(st, &st->vp, stvp);
st_reference_fragprog(st, &st->fp, stfp);
cso_set_vertex_shader_handle(st->cso_context, stvp->driver_shader);
if (st->missing_textures) {
/* use a pass-through frag shader that uses no textures */
void *fs = get_passthrough_fs(st);
cso_set_fragment_shader_handle(st->cso_context, fs);
}
else {
cso_set_fragment_shader_handle(st->cso_context, stfp->driver_shader);
}
st->vertex_result_to_slot = xvp->output_to_slot;
}
void st_destroy_context( struct st_context *st )
{
struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
GLcontext *ctx = st->ctx;
/* need to unbind and destroy CSO objects before anything else */
cso_release_all(st->cso_context);
st_reference_fragprog(st, &st->fp, NULL);
st_reference_vertprog(st, &st->vp, NULL);
_mesa_delete_program_cache(st->ctx, st->pixel_xfer.cache);
_mesa_free_context_data(ctx);
st_destroy_context_priv(st);
cso_destroy_context(cso);
pipe->destroy( pipe );
free(ctx);
}
/**
* Make fragment shader for glDraw/CopyPixels. This shader is made
* by combining the pixel transfer shader with the user-defined shader.
*/
static struct st_fragment_program *
combined_drawpix_fragment_program(GLcontext *ctx)
{
struct st_context *st = ctx->st;
struct st_fragment_program *stfp;
if (st->pixel_xfer.program->serialNo == st->pixel_xfer.xfer_prog_sn
&& st->fp->serialNo == st->pixel_xfer.user_prog_sn) {
/* the pixel tranfer program has not changed and the user-defined
* program has not changed, so re-use the combined program.
*/
stfp = st->pixel_xfer.combined_prog;
}
else {
/* Concatenate the pixel transfer program with the current user-
* defined program.
*/
if (is_passthrough_program(&st->fp->Base)) {
stfp = (struct st_fragment_program *)
_mesa_clone_program(ctx, &st->pixel_xfer.program->Base.Base);
}
else {
#if 0
printf("Base program:\n");
_mesa_print_program(&st->fp->Base.Base);
printf("DrawPix program:\n");
_mesa_print_program(&st->pixel_xfer.program->Base.Base);
#endif
stfp = (struct st_fragment_program *)
_mesa_combine_programs(ctx,
&st->pixel_xfer.program->Base.Base,
&st->fp->Base.Base);
}
#if 0
{
struct gl_program *p = &stfp->Base.Base;
printf("Combined DrawPixels program:\n");
_mesa_print_program(p);
printf("InputsRead: 0x%x\n", p->InputsRead);
printf("OutputsWritten: 0x%x\n", p->OutputsWritten);
_mesa_print_parameter_list(p->Parameters);
}
#endif
/* translate to TGSI tokens */
st_translate_fragment_program(st, stfp, NULL);
/* save new program, update serial numbers */
st->pixel_xfer.xfer_prog_sn = st->pixel_xfer.program->serialNo;
st->pixel_xfer.user_prog_sn = st->fp->serialNo;
st->pixel_xfer.combined_prog_sn = stfp->serialNo;
/* can't reference new program directly, already have a reference on it */
st_reference_fragprog(st, &st->pixel_xfer.combined_prog, NULL);
st->pixel_xfer.combined_prog = stfp;
}
/* Ideally we'd have updated the pipe constants during the normal
* st/atom mechanism. But we can't since this is specific to glDrawPixels.
*/
st_upload_constants(st, stfp->Base.Base.Parameters, PIPE_SHADER_FRAGMENT);
return stfp;
}