diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.c')
-rw-r--r-- | src/mesa/state_tracker/st_program.c | 751 |
1 files changed, 558 insertions, 193 deletions
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index aae2913c202..202f7cb711e 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -32,7 +32,9 @@ #include "main/imports.h" +#include "main/hash.h" #include "main/mtypes.h" +#include "program/prog_parameter.h" #include "program/prog_print.h" #include "program/programopt.h" @@ -44,6 +46,8 @@ #include "tgsi/tgsi_ureg.h" #include "st_debug.h" +#include "st_cb_bitmap.h" +#include "st_cb_drawpixels.h" #include "st_context.h" #include "st_program.h" #include "st_mesa_to_tgsi.h" @@ -52,6 +56,29 @@ /** + * Delete a vertex program varient. Note the caller must unlink + * the varient from the linked list. + */ +static void +delete_vp_varient(struct st_context *st, struct st_vp_varient *vpv) +{ + if (vpv->driver_shader) + cso_delete_vertex_shader(st->cso_context, vpv->driver_shader); + +#if FEATURE_feedback || FEATURE_rastpos + if (vpv->draw_shader) + draw_delete_vertex_shader( st->draw, vpv->draw_shader ); +#endif + + if (vpv->tgsi.tokens) + st_free_tokens(vpv->tgsi.tokens); + + FREE( vpv ); +} + + + +/** * Clean out any old compilations: */ void @@ -62,24 +89,76 @@ st_vp_release_varients( struct st_context *st, for (vpv = stvp->varients; vpv; ) { struct st_vp_varient *next = vpv->next; + delete_vp_varient(st, vpv); + vpv = next; + } - if (vpv->driver_shader) - cso_delete_vertex_shader(st->cso_context, vpv->driver_shader); - -#if FEATURE_feedback || FEATURE_rastpos - if (vpv->draw_shader) - draw_delete_vertex_shader( st->draw, vpv->draw_shader ); -#endif + stvp->varients = NULL; +} + + + +/** + * Delete a fragment program varient. Note the caller must unlink + * the varient from the linked list. + */ +static void +delete_fp_varient(struct st_context *st, struct st_fp_varient *fpv) +{ + if (fpv->driver_shader) + cso_delete_fragment_shader(st->cso_context, fpv->driver_shader); - if (vpv->tgsi.tokens) - st_free_tokens(vpv->tgsi.tokens); + FREE(fpv); +} + + +/** + * Free all varients of a fragment program. + */ +void +st_fp_release_varients(struct st_context *st, struct st_fragment_program *stfp) +{ + struct st_fp_varient *fpv; + + for (fpv = stfp->varients; fpv; ) { + struct st_fp_varient *next = fpv->next; + delete_fp_varient(st, fpv); + fpv = next; + } + + stfp->varients = NULL; +} + + +/** + * Delete a geometry program varient. Note the caller must unlink + * the varient from the linked list. + */ +static void +delete_gp_varient(struct st_context *st, struct st_gp_varient *gpv) +{ + if (gpv->driver_shader) + cso_delete_geometry_shader(st->cso_context, gpv->driver_shader); - FREE( vpv ); + FREE(gpv); +} - vpv = next; + +/** + * Free all varients of a geometry program. + */ +void +st_gp_release_varients(struct st_context *st, struct st_geometry_program *stgp) +{ + struct st_gp_varient *gpv; + + for (gpv = stgp->varients; gpv; ) { + struct st_gp_varient *next = gpv->next; + delete_gp_varient(st, gpv); + gpv = next; } - stvp->varients = NULL; + stgp->varients = NULL; } @@ -92,7 +171,7 @@ st_vp_release_varients( struct st_context *st, * \param tokensOut destination for TGSI tokens * \return pointer to cached pipe_shader object. */ -void +static void st_prepare_vertex_program(struct st_context *st, struct st_vertex_program *stvp) { @@ -196,7 +275,10 @@ st_prepare_vertex_program(struct st_context *st, } -struct st_vp_varient * +/** + * Translate a vertex program to create a new varient. + */ +static struct st_vp_varient * st_translate_vertex_program(struct st_context *st, struct st_vertex_program *stvp, const struct st_vp_varient_key *key) @@ -207,6 +289,8 @@ st_translate_vertex_program(struct st_context *st, enum pipe_error error; unsigned num_outputs; + st_prepare_vertex_program( st, stvp ); + _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_OUTPUT); _mesa_remove_output_reads(&stvp->Base.Base, PROGRAM_VARYING); @@ -277,201 +361,310 @@ fail: } +/** + * Find/create a vertex program varient. + */ +struct st_vp_varient * +st_get_vp_varient(struct st_context *st, + struct st_vertex_program *stvp, + const struct st_vp_varient_key *key) +{ + struct st_vp_varient *vpv; + + /* Search for existing varient */ + for (vpv = stvp->varients; vpv; vpv = vpv->next) { + if (memcmp(&vpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!vpv) { + /* create now */ + vpv = st_translate_vertex_program(st, stvp, key); + if (vpv) { + /* insert into list */ + vpv->next = stvp->varients; + stvp->varients = vpv; + } + } + + return vpv; +} + /** - * Translate a Mesa fragment shader into a TGSI shader. - * \return pointer to cached pipe_shader object. + * Translate a Mesa fragment shader into a TGSI shader using extra info in + * the key. + * \return new fragment program variant */ -void +static struct st_fp_varient * st_translate_fragment_program(struct st_context *st, - struct st_fragment_program *stfp ) + struct st_fragment_program *stfp, + const struct st_fp_varient_key *key) { struct pipe_context *pipe = st->pipe; - GLuint outputMapping[FRAG_RESULT_MAX]; - GLuint inputMapping[FRAG_ATTRIB_MAX]; - GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */ - GLuint attr; - enum pipe_error error; - const GLbitfield inputsRead = stfp->Base.Base.InputsRead; - struct ureg_program *ureg; + struct st_fp_varient *varient = CALLOC_STRUCT(st_fp_varient); - ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; - ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; - uint fs_num_inputs = 0; + if (!varient) + return NULL; - ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; - ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; - uint fs_num_outputs = 0; + assert(!(key->bitmap && key->drawpixels)); - _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT); + if (key->bitmap) { + /* glBitmap drawing */ + struct gl_fragment_program *fp; - /* - * Convert Mesa program inputs to TGSI input register semantics. - */ - for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) { - if (inputsRead & (1 << attr)) { - const GLuint slot = fs_num_inputs++; + st_make_bitmap_fragment_program(st, &stfp->Base, + &fp, &varient->bitmap_sampler); - inputMapping[attr] = slot; + varient->parameters = _mesa_clone_parameter_list(fp->Base.Parameters); + stfp = (struct st_fragment_program *) fp; + } + else if (key->drawpixels) { + /* glDrawPixels drawing */ + struct gl_fragment_program *fp; - switch (attr) { - case FRAG_ATTRIB_WPOS: - input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; - input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; - break; - case FRAG_ATTRIB_COL0: - input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; - break; - case FRAG_ATTRIB_COL1: - input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; - input_semantic_index[slot] = 1; - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; - break; - case FRAG_ATTRIB_FOGC: - input_semantic_name[slot] = TGSI_SEMANTIC_FOG; - input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; - break; - case FRAG_ATTRIB_FACE: - input_semantic_name[slot] = TGSI_SEMANTIC_FACE; - input_semantic_index[slot] = 0; - interpMode[slot] = TGSI_INTERPOLATE_CONSTANT; - break; - /* In most cases, there is nothing special about these - * inputs, so adopt a convention to use the generic - * semantic name and the mesa FRAG_ATTRIB_ number as the - * index. - * - * All that is required is that the vertex shader labels - * its own outputs similarly, and that the vertex shader - * generates at least every output required by the - * fragment shader plus fixed-function hardware (such as - * BFC). - * - * There is no requirement that semantic indexes start at - * zero or be restricted to a particular range -- nobody - * should be building tables based on semantic index. - */ - case FRAG_ATTRIB_PNTC: - case FRAG_ATTRIB_TEX0: - case FRAG_ATTRIB_TEX1: - case FRAG_ATTRIB_TEX2: - case FRAG_ATTRIB_TEX3: - case FRAG_ATTRIB_TEX4: - case FRAG_ATTRIB_TEX5: - case FRAG_ATTRIB_TEX6: - case FRAG_ATTRIB_TEX7: - case FRAG_ATTRIB_VAR0: - default: - /* Actually, let's try and zero-base this just for - * readability of the generated TGSI. - */ - assert(attr >= FRAG_ATTRIB_TEX0); - input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0); - input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; - if (attr == FRAG_ATTRIB_PNTC) - interpMode[slot] = TGSI_INTERPOLATE_LINEAR; - else - interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; - break; - } + if (key->drawpixels_z || key->drawpixels_stencil) { + fp = st_make_drawpix_z_stencil_program(st, key->drawpixels_z, + key->drawpixels_stencil); } else { - inputMapping[attr] = -1; + /* RGBA */ + st_make_drawpix_fragment_program(st, &stfp->Base, &fp); + varient->parameters = _mesa_clone_parameter_list(fp->Base.Parameters); } + stfp = (struct st_fragment_program *) fp; } - /* - * Semantics and mapping for outputs - */ - { - uint numColors = 0; - GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten; - - /* if z is written, emit that first */ - if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) { - fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION; - fs_output_semantic_index[fs_num_outputs] = 0; - outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs; - fs_num_outputs++; - outputsWritten &= ~(1 << FRAG_RESULT_DEPTH); - } + if (!stfp->tgsi.tokens) { + /* need to translate Mesa instructions to TGSI now */ + GLuint outputMapping[FRAG_RESULT_MAX]; + GLuint inputMapping[FRAG_ATTRIB_MAX]; + GLuint interpMode[PIPE_MAX_SHADER_INPUTS]; /* XXX size? */ + GLuint attr; + enum pipe_error error; + const GLbitfield inputsRead = stfp->Base.Base.InputsRead; + struct ureg_program *ureg; - if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) { - fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL; - fs_output_semantic_index[fs_num_outputs] = 0; - outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs; - fs_num_outputs++; - outputsWritten &= ~(1 << FRAG_RESULT_STENCIL); - } + ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; + ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; + uint fs_num_inputs = 0; + + ubyte fs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; + ubyte fs_output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; + uint fs_num_outputs = 0; + + + _mesa_remove_output_reads(&stfp->Base.Base, PROGRAM_OUTPUT); + + /* + * Convert Mesa program inputs to TGSI input register semantics. + */ + for (attr = 0; attr < FRAG_ATTRIB_MAX; attr++) { + if (inputsRead & (1 << attr)) { + const GLuint slot = fs_num_inputs++; + + inputMapping[attr] = slot; - /* handle remaning outputs (color) */ - for (attr = 0; attr < FRAG_RESULT_MAX; attr++) { - if (outputsWritten & BITFIELD64_BIT(attr)) { switch (attr) { - case FRAG_RESULT_DEPTH: - case FRAG_RESULT_STENCIL: - /* handled above */ - assert(0); + case FRAG_ATTRIB_WPOS: + input_semantic_name[slot] = TGSI_SEMANTIC_POSITION; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_COL0: + input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_COL1: + input_semantic_name[slot] = TGSI_SEMANTIC_COLOR; + input_semantic_index[slot] = 1; + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + break; + case FRAG_ATTRIB_FOGC: + input_semantic_name[slot] = TGSI_SEMANTIC_FOG; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; + case FRAG_ATTRIB_FACE: + input_semantic_name[slot] = TGSI_SEMANTIC_FACE; + input_semantic_index[slot] = 0; + interpMode[slot] = TGSI_INTERPOLATE_CONSTANT; + break; + /* In most cases, there is nothing special about these + * inputs, so adopt a convention to use the generic + * semantic name and the mesa FRAG_ATTRIB_ number as the + * index. + * + * All that is required is that the vertex shader labels + * its own outputs similarly, and that the vertex shader + * generates at least every output required by the + * fragment shader plus fixed-function hardware (such as + * BFC). + * + * There is no requirement that semantic indexes start at + * zero or be restricted to a particular range -- nobody + * should be building tables based on semantic index. + */ + case FRAG_ATTRIB_PNTC: + case FRAG_ATTRIB_TEX0: + case FRAG_ATTRIB_TEX1: + case FRAG_ATTRIB_TEX2: + case FRAG_ATTRIB_TEX3: + case FRAG_ATTRIB_TEX4: + case FRAG_ATTRIB_TEX5: + case FRAG_ATTRIB_TEX6: + case FRAG_ATTRIB_TEX7: + case FRAG_ATTRIB_VAR0: default: - assert(attr == FRAG_RESULT_COLOR || - (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX)); - fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR; - fs_output_semantic_index[fs_num_outputs] = numColors; - outputMapping[attr] = fs_num_outputs; - numColors++; + /* Actually, let's try and zero-base this just for + * readability of the generated TGSI. + */ + assert(attr >= FRAG_ATTRIB_TEX0); + input_semantic_index[slot] = (attr - FRAG_ATTRIB_TEX0); + input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC; + if (attr == FRAG_ATTRIB_PNTC) + interpMode[slot] = TGSI_INTERPOLATE_LINEAR; + else + interpMode[slot] = TGSI_INTERPOLATE_PERSPECTIVE; break; } + } + else { + inputMapping[attr] = -1; + } + } + + /* + * Semantics and mapping for outputs + */ + { + uint numColors = 0; + GLbitfield64 outputsWritten = stfp->Base.Base.OutputsWritten; + + /* if z is written, emit that first */ + if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) { + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_POSITION; + fs_output_semantic_index[fs_num_outputs] = 0; + outputMapping[FRAG_RESULT_DEPTH] = fs_num_outputs; + fs_num_outputs++; + outputsWritten &= ~(1 << FRAG_RESULT_DEPTH); + } + if (outputsWritten & BITFIELD64_BIT(FRAG_RESULT_STENCIL)) { + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_STENCIL; + fs_output_semantic_index[fs_num_outputs] = 0; + outputMapping[FRAG_RESULT_STENCIL] = fs_num_outputs; fs_num_outputs++; + outputsWritten &= ~(1 << FRAG_RESULT_STENCIL); + } + + /* handle remaning outputs (color) */ + for (attr = 0; attr < FRAG_RESULT_MAX; attr++) { + if (outputsWritten & BITFIELD64_BIT(attr)) { + switch (attr) { + case FRAG_RESULT_DEPTH: + case FRAG_RESULT_STENCIL: + /* handled above */ + assert(0); + break; + default: + assert(attr == FRAG_RESULT_COLOR || + (FRAG_RESULT_DATA0 <= attr && attr < FRAG_RESULT_MAX)); + fs_output_semantic_name[fs_num_outputs] = TGSI_SEMANTIC_COLOR; + fs_output_semantic_index[fs_num_outputs] = numColors; + outputMapping[attr] = fs_num_outputs; + numColors++; + break; + } + + fs_num_outputs++; + } } } - } - ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); - if (ureg == NULL) - return; + ureg = ureg_create( TGSI_PROCESSOR_FRAGMENT ); + if (ureg == NULL) + return NULL; - if (ST_DEBUG & DEBUG_MESA) { - _mesa_print_program(&stfp->Base.Base); - _mesa_print_program_parameters(st->ctx, &stfp->Base.Base); - debug_printf("\n"); - } + if (ST_DEBUG & DEBUG_MESA) { + _mesa_print_program(&stfp->Base.Base); + _mesa_print_program_parameters(st->ctx, &stfp->Base.Base); + debug_printf("\n"); + } - error = - st_translate_mesa_program(st->ctx, - TGSI_PROCESSOR_FRAGMENT, - ureg, - &stfp->Base.Base, - /* inputs */ - fs_num_inputs, - inputMapping, - input_semantic_name, - input_semantic_index, - interpMode, - /* outputs */ - fs_num_outputs, - outputMapping, - fs_output_semantic_name, - fs_output_semantic_index, FALSE ); + error = st_translate_mesa_program(st->ctx, + TGSI_PROCESSOR_FRAGMENT, + ureg, + &stfp->Base.Base, + /* inputs */ + fs_num_inputs, + inputMapping, + input_semantic_name, + input_semantic_index, + interpMode, + /* outputs */ + fs_num_outputs, + outputMapping, + fs_output_semantic_name, + fs_output_semantic_index, FALSE ); + + stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); + ureg_destroy( ureg ); + } - stfp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); - ureg_destroy( ureg ); - stfp->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi); + /* fill in varient */ + varient->driver_shader = pipe->create_fs_state(pipe, &stfp->tgsi); + varient->key = *key; if (ST_DEBUG & DEBUG_TGSI) { tgsi_dump( stfp->tgsi.tokens, 0/*TGSI_DUMP_VERBOSE*/ ); debug_printf("\n"); } + + return varient; } -void + +/** + * Translate fragment program if needed. + */ +struct st_fp_varient * +st_get_fp_varient(struct st_context *st, + struct st_fragment_program *stfp, + const struct st_fp_varient_key *key) +{ + struct st_fp_varient *fpv; + + /* Search for existing varient */ + for (fpv = stfp->varients; fpv; fpv = fpv->next) { + if (memcmp(&fpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!fpv) { + /* create new */ + fpv = st_translate_fragment_program(st, stfp, key); + if (fpv) { + /* insert into list */ + fpv->next = stfp->varients; + stfp->varients = fpv; + } + } + + return fpv; +} + + +/** + * Translate a geometry program to create a new varient. + */ +static struct st_gp_varient * st_translate_geometry_program(struct st_context *st, - struct st_geometry_program *stgp) + struct st_geometry_program *stgp, + const struct st_gp_varient_key *key) { GLuint inputMapping[GEOM_ATTRIB_MAX]; GLuint outputMapping[GEOM_RESULT_MAX]; @@ -494,12 +687,19 @@ st_translate_geometry_program(struct st_context *st, GLuint maxSlot = 0; struct ureg_program *ureg; + struct st_gp_varient *gpv; + + gpv = CALLOC_STRUCT(st_gp_varient); + if (!gpv) + return NULL; + _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_OUTPUT); _mesa_remove_output_reads(&stgp->Base.Base, PROGRAM_VARYING); ureg = ureg_create( TGSI_PROCESSOR_GEOMETRY ); if (ureg == NULL) { - return; + FREE(gpv); + return NULL; } /* which vertex output goes to the first geometry input */ @@ -529,7 +729,7 @@ st_translate_geometry_program(struct st_context *st, } else ++gs_builtin_inputs; -#if 1 +#if 0 debug_printf("input map at %d = %d\n", slot + gs_array_offset, stgp->input_map[slot + gs_array_offset]); #endif @@ -671,37 +871,35 @@ st_translate_geometry_program(struct st_context *st, st_free_tokens(stgp->tgsi.tokens); stgp->tgsi.tokens = NULL; } - if (stgp->driver_shader) { - cso_delete_geometry_shader(st->cso_context, stgp->driver_shader); - stgp->driver_shader = NULL; - } ureg_property_gs_input_prim(ureg, stgp->Base.InputType); ureg_property_gs_output_prim(ureg, stgp->Base.OutputType); ureg_property_gs_max_vertices(ureg, stgp->Base.VerticesOut); - error = st_translate_mesa_program(st->ctx, - TGSI_PROCESSOR_GEOMETRY, - ureg, - &stgp->Base.Base, - /* inputs */ - gs_num_inputs, - inputMapping, - stgp->input_semantic_name, - stgp->input_semantic_index, - NULL, - /* outputs */ - gs_num_outputs, - outputMapping, - gs_output_semantic_name, - gs_output_semantic_index, - FALSE); - + error = st_translate_mesa_program(st->ctx, + TGSI_PROCESSOR_GEOMETRY, + ureg, + &stgp->Base.Base, + /* inputs */ + gs_num_inputs, + inputMapping, + stgp->input_semantic_name, + stgp->input_semantic_index, + NULL, + /* outputs */ + gs_num_outputs, + outputMapping, + gs_output_semantic_name, + gs_output_semantic_index, + FALSE); stgp->num_inputs = gs_num_inputs; stgp->tgsi.tokens = ureg_get_tokens( ureg, NULL ); ureg_destroy( ureg ); - stgp->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi); + + /* fill in new varient */ + gpv->driver_shader = pipe->create_gs_state(pipe, &stgp->tgsi); + gpv->key = *key; if ((ST_DEBUG & DEBUG_TGSI) && (ST_DEBUG & DEBUG_MESA)) { _mesa_print_program(&stgp->Base.Base); @@ -712,8 +910,44 @@ st_translate_geometry_program(struct st_context *st, tgsi_dump(stgp->tgsi.tokens, 0); debug_printf("\n"); } + + return gpv; +} + + +/** + * Get/create geometry program variant. + */ +struct st_gp_varient * +st_get_gp_varient(struct st_context *st, + struct st_geometry_program *stgp, + const struct st_gp_varient_key *key) +{ + struct st_gp_varient *gpv; + + /* Search for existing varient */ + for (gpv = stgp->varients; gpv; gpv = gpv->next) { + if (memcmp(&gpv->key, key, sizeof(*key)) == 0) { + break; + } + } + + if (!gpv) { + /* create new */ + gpv = st_translate_geometry_program(st, stgp, key); + if (gpv) { + /* insert into list */ + gpv->next = stgp->varients; + stgp->varients = gpv; + } + } + + return gpv; } + + + /** * Debug- print current shader text */ @@ -759,3 +993,134 @@ st_print_shaders(struct gl_context *ctx) } } } + + +/** + * Vert/Geom/Frag programs have per-context variants. Free all the + * variants attached to the given program which match the given context. + */ +static void +destroy_program_variants(struct st_context *st, struct gl_program *program) +{ + if (!program) + return; + + switch (program->Target) { + case GL_VERTEX_PROGRAM_ARB: + { + struct st_vertex_program *stvp = (struct st_vertex_program *) program; + struct st_vp_varient *vpv, **prev = &stvp->varients; + + for (vpv = stvp->varients; vpv; ) { + struct st_vp_varient *next = vpv->next; + if (vpv->key.st == st) { + /* unlink from list */ + *prev = next; + /* destroy this variant */ + delete_vp_varient(st, vpv); + } + else { + prev = &vpv; + } + vpv = next; + } + } + break; + case GL_FRAGMENT_PROGRAM_ARB: + { + struct st_fragment_program *stfp = + (struct st_fragment_program *) program; + struct st_fp_varient *fpv, **prev = &stfp->varients; + + for (fpv = stfp->varients; fpv; ) { + struct st_fp_varient *next = fpv->next; + if (fpv->key.st == st) { + /* unlink from list */ + *prev = next; + /* destroy this variant */ + delete_fp_varient(st, fpv); + } + else { + prev = &fpv; + } + fpv = next; + } + } + break; + default: + _mesa_problem(NULL, "Unexpected program target in " + "destroy_program_variants_cb()"); + } +} + + +/** + * Callback for _mesa_HashWalk. Free all the shader's program variants + * which match the given context. + */ +static void +destroy_shader_program_variants_cb(GLuint key, void *data, void *userData) +{ + struct st_context *st = (struct st_context *) userData; + struct gl_shader *shader = (struct gl_shader *) data; + + switch (shader->Type) { + case GL_SHADER_PROGRAM_MESA: + { + struct gl_shader_program *shProg = (struct gl_shader_program *) data; + GLuint i; + + for (i = 0; i < shProg->NumShaders; i++) { + destroy_program_variants(st, shProg->Shaders[i]->Program); + } + + destroy_program_variants(st, (struct gl_program *) + shProg->VertexProgram); + destroy_program_variants(st, (struct gl_program *) + shProg->FragmentProgram); + destroy_program_variants(st, (struct gl_program *) + shProg->GeometryProgram); + } + break; + case GL_VERTEX_SHADER: + case GL_FRAGMENT_SHADER: + case GL_GEOMETRY_SHADER: + { + destroy_program_variants(st, shader->Program); + } + break; + default: + assert(0); + } +} + + +/** + * Callback for _mesa_HashWalk. Free all the program variants which match + * the given context. + */ +static void +destroy_program_variants_cb(GLuint key, void *data, void *userData) +{ + struct st_context *st = (struct st_context *) userData; + struct gl_program *program = (struct gl_program *) data; + destroy_program_variants(st, program); +} + + +/** + * Walk over all shaders and programs to delete any variants which + * belong to the given context. + * This is called during context tear-down. + */ +void +st_destroy_program_variants(struct st_context *st) +{ + /* ARB vert/frag program */ + _mesa_HashWalk(st->ctx->Shared->Programs, + destroy_program_variants_cb, st); + + /* GLSL vert/frag/geom shaders */ + _mesa_HashWalk(st->ctx->Shared->ShaderObjects, + destroy_shader_program_variants_cb, st); +} |