#include "program/prog_optimize.h"
#include "program/prog_print.h"
#include "program/program.h"
-#include "program/prog_uniform.h"
#include "program/prog_parameter.h"
#include "program/sampler.h"
(1 << PROGRAM_CONSTANT) | \
(1 << PROGRAM_UNIFORM))
+/**
+ * Maximum number of temporary registers.
+ *
+ * It is too big for stack allocated arrays -- it will cause stack overflow on
+ * Windows and likely Mac OS X.
+ */
#define MAX_TEMPS 4096
/* will be 4 for GLSL 4.00 */
fp->OriginUpperLeft = ir->origin_upper_left;
fp->PixelCenterInteger = ir->pixel_center_integer;
-
- } else if (strcmp(ir->name, "gl_FragDepth") == 0) {
- struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog;
- switch (ir->depth_layout) {
- case ir_depth_layout_none:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_NONE;
- break;
- case ir_depth_layout_any:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_ANY;
- break;
- case ir_depth_layout_greater:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_GREATER;
- break;
- case ir_depth_layout_less:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_LESS;
- break;
- case ir_depth_layout_unchanged:
- fp->FragDepthLayout = FRAG_DEPTH_LAYOUT_UNCHANGED;
- break;
- default:
- assert(0);
- break;
- }
}
if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) {
}
case ir_binop_lshift:
if (native_integers) {
- emit(ir, TGSI_OPCODE_SHL, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_SHL, result_dst, op[0], op[1]);
break;
}
case ir_binop_rshift:
if (native_integers) {
- emit(ir, TGSI_OPCODE_ISHR, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_ISHR, result_dst, op[0], op[1]);
break;
}
case ir_binop_bit_and:
if (native_integers) {
- emit(ir, TGSI_OPCODE_AND, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_AND, result_dst, op[0], op[1]);
break;
}
case ir_binop_bit_xor:
if (native_integers) {
- emit(ir, TGSI_OPCODE_XOR, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_XOR, result_dst, op[0], op[1]);
break;
}
case ir_binop_bit_or:
if (native_integers) {
- emit(ir, TGSI_OPCODE_OR, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_OR, result_dst, op[0], op[1]);
break;
}
case ir_unop_round_even:
case GLSL_SAMPLER_DIM_BUF:
assert(!"FINISHME: Implement ARB_texture_buffer_object");
break;
+ case GLSL_SAMPLER_DIM_EXTERNAL:
+ inst->tex_target = TEXTURE_EXTERNAL_INDEX;
+ break;
default:
assert(!"Should not get here.");
}
_mesa_update_shader_textures_used(prog);
}
-
-/**
- * Check if the given vertex/fragment/shader program is within the
- * resource limits of the context (number of texture units, etc).
- * If any of those checks fail, record a linker error.
- *
- * XXX more checks are needed...
- */
-static void
-check_resources(const struct gl_context *ctx,
- struct gl_shader_program *shader_program,
- glsl_to_tgsi_visitor *prog,
- struct gl_program *proginfo)
-{
- switch (proginfo->Target) {
- case GL_VERTEX_PROGRAM_ARB:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxVertexTextureImageUnits) {
- fail_link(shader_program, "Too many vertex shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
- fail_link(shader_program, "Too many vertex shader constants");
- }
- break;
- case MESA_GEOMETRY_PROGRAM:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxGeometryTextureImageUnits) {
- fail_link(shader_program, "Too many geometry shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters >
- MAX_GEOMETRY_UNIFORM_COMPONENTS / 4) {
- fail_link(shader_program, "Too many geometry shader constants");
- }
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- if (_mesa_bitcount(prog->samplers_used) >
- ctx->Const.MaxTextureImageUnits) {
- fail_link(shader_program, "Too many fragment shader texture samplers");
- }
- if (proginfo->Parameters->NumParameters > MAX_UNIFORMS) {
- fail_link(shader_program, "Too many fragment shader constants");
- }
- break;
- default:
- _mesa_problem(ctx, "unexpected program type in check_resources()");
- }
-}
-
-
static void
set_uniform_initializer(struct gl_context *ctx, void *mem_ctx,
struct gl_shader_program *shader_program,
element_type->matrix_columns,
element_type->vector_elements,
loc, 1, GL_FALSE, (GLfloat *)values);
- loc += element_type->matrix_columns;
} else {
_mesa_uniform(ctx, shader_program, loc, element_type->matrix_columns,
values, element_type->gl_type);
- loc += type_size(element_type);
}
+
+ loc++;
}
}
GLint outputMap[VERT_RESULT_MAX];
GLint outputTypes[VERT_RESULT_MAX];
GLuint numVaryingReads = 0;
- GLboolean usedTemps[MAX_TEMPS];
+ GLboolean *usedTemps;
GLuint firstTemp = 0;
+ usedTemps = new GLboolean[MAX_TEMPS];
+ if (!usedTemps) {
+ return;
+ }
_mesa_find_used_registers(prog, PROGRAM_TEMPORARY,
usedTemps, MAX_TEMPS);
}
}
+ delete [] usedTemps;
+
if (numVaryingReads == 0)
return; /* nothing to be done */
void
glsl_to_tgsi_visitor::simplify_cmp(void)
{
- unsigned tempWrites[MAX_TEMPS];
+ unsigned *tempWrites;
unsigned outputWrites[MAX_PROGRAM_OUTPUTS];
+ tempWrites = new unsigned[MAX_TEMPS];
+ if (!tempWrites) {
+ return;
+ }
memset(tempWrites, 0, sizeof(tempWrites));
memset(outputWrites, 0, sizeof(outputWrites));
inst->op == TGSI_OPCODE_END ||
inst->op == TGSI_OPCODE_ENDSUB ||
inst->op == TGSI_OPCODE_RET) {
- return;
+ break;
}
if (inst->dst.file == PROGRAM_OUTPUT) {
inst->src[0] = inst->src[1];
}
}
+
+ delete [] tempWrites;
}
/* Replaces all references to a temporary register index with another index. */
break;
case TGSI_OPCODE_ENDIF:
- --level;
- break;
-
case TGSI_OPCODE_ELSE:
- /* Clear all channels written inside the preceding if block from the
- * write array, but leave those that were not touched.
- *
- * FIXME: This destroys opportunities to remove dead code inside of
- * IF blocks that are followed by an ELSE block.
+ /* Promote the recorded level all channels written inside the preceding
+ * if or else block to the level above the if/else block.
*/
for (int r = 0; r < this->next_temp; r++) {
for (int c = 0; c < 4; c++) {
if (!writes[4 * r + c])
continue;
- if (write_level[4 * r + c] >= level)
- writes[4 * r + c] = NULL;
+ if (write_level[4 * r + c] == level)
+ write_level[4 * r + c] = level-1;
}
}
+
+ if(inst->op == TGSI_OPCODE_ENDIF)
+ --level;
+
break;
case TGSI_OPCODE_IF:
inst->sampler = 0;
inst->tex_target = TEXTURE_2D_INDEX;
- prog->InputsRead |= (1 << FRAG_ATTRIB_TEX0);
+ prog->InputsRead |= FRAG_BIT_TEX0;
prog->SamplersUsed |= (1 << 0); /* mark sampler 0 as used */
v->samplers_used |= (1 << 0);
src_regs[i].index = src0.index;
}
else if (src_regs[i].file == PROGRAM_INPUT)
- prog->InputsRead |= (1 << src_regs[i].index);
+ prog->InputsRead |= BITFIELD64_BIT(src_regs[i].index);
}
v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
inst->sampler = samplerIndex;
inst->tex_target = TEXTURE_2D_INDEX;
- prog->InputsRead |= (1 << FRAG_ATTRIB_TEX0);
+ prog->InputsRead |= FRAG_BIT_TEX0;
prog->SamplersUsed |= (1 << samplerIndex); /* mark sampler as used */
v->samplers_used |= (1 << samplerIndex);
for (int i=0; i<3; i++) {
src_regs[i] = inst->src[i];
if (src_regs[i].file == PROGRAM_INPUT)
- prog->InputsRead |= (1 << src_regs[i].index);
+ prog->InputsRead |= BITFIELD64_BIT(src_regs[i].index);
}
v->emit(NULL, inst->op, inst->dst, src_regs[0], src_regs[1], src_regs[2]);
/** Map Mesa's SYSTEM_VALUE_x to TGSI_SEMANTIC_x */
static unsigned mesa_sysval_to_semantic[SYSTEM_VALUE_MAX] = {
TGSI_SEMANTIC_FACE,
+ TGSI_SEMANTIC_VERTEXID,
TGSI_SEMANTIC_INSTANCEID
};
const ubyte outputSemanticIndex[],
boolean passthrough_edgeflags)
{
- struct st_translate translate, *t;
+ struct st_translate *t;
unsigned i;
enum pipe_error ret = PIPE_OK;
assert(numInputs <= Elements(t->inputs));
assert(numOutputs <= Elements(t->outputs));
- t = &translate;
+ t = CALLOC_STRUCT(st_translate);
+ if (!t) {
+ ret = PIPE_ERROR_OUT_OF_MEMORY;
+ goto out;
+ }
+
memset(t, 0, sizeof *t);
t->procType = procType;
break;
default:
assert(!"fragment shader outputs must be POSITION/STENCIL/COLOR");
- return PIPE_ERROR_BAD_INPUT;
+ ret = PIPE_ERROR_BAD_INPUT;
+ goto out;
}
}
}
}
out:
- FREE(t->insn);
- FREE(t->labels);
- FREE(t->constants);
- FREE(t->immediates);
+ if (t) {
+ FREE(t->insn);
+ FREE(t->labels);
+ FREE(t->constants);
+ FREE(t->immediates);
+
+ if (t->error) {
+ debug_printf("%s: translate error flag set\n", __FUNCTION__);
+ }
- if (t->error) {
- debug_printf("%s: translate error flag set\n", __FUNCTION__);
+ FREE(t);
}
return ret;
{
glsl_to_tgsi_visitor* v = new glsl_to_tgsi_visitor();
struct gl_program *prog;
+ struct pipe_screen * screen = st_context(ctx)->pipe->screen;
+ unsigned pipe_shader_type;
GLenum target;
const char *target_string;
bool progress;
case GL_VERTEX_SHADER:
target = GL_VERTEX_PROGRAM_ARB;
target_string = "vertex";
+ pipe_shader_type = PIPE_SHADER_VERTEX;
break;
case GL_FRAGMENT_SHADER:
target = GL_FRAGMENT_PROGRAM_ARB;
target_string = "fragment";
+ pipe_shader_type = PIPE_SHADER_FRAGMENT;
break;
case GL_GEOMETRY_SHADER:
target = GL_GEOMETRY_PROGRAM_NV;
target_string = "geometry";
+ pipe_shader_type = PIPE_SHADER_GEOMETRY;
break;
default:
assert(!"should not be reached");
}
#endif
- /* Remove reads to output registers, and to varyings in vertex shaders. */
- v->remove_output_reads(PROGRAM_OUTPUT);
- if (target == GL_VERTEX_PROGRAM_ARB)
- v->remove_output_reads(PROGRAM_VARYING);
+ if (!screen->get_shader_param(screen, pipe_shader_type,
+ PIPE_SHADER_CAP_OUTPUT_READ)) {
+ /* Remove reads to output registers, and to varyings in vertex shaders. */
+ v->remove_output_reads(PROGRAM_OUTPUT);
+ if (target == GL_VERTEX_PROGRAM_ARB)
+ v->remove_output_reads(PROGRAM_VARYING);
+ }
/* Perform optimizations on the instructions in the glsl_to_tgsi_visitor. */
v->simplify_cmp();
_mesa_print_ir(shader->ir, NULL);
printf("\n");
printf("\n");
+ fflush(stdout);
}
prog->Instructions = NULL;
do_set_program_inouts(shader->ir, prog, shader->Type == GL_FRAGMENT_SHADER);
count_resources(v, prog);
- check_resources(ctx, shader_program, v, prog);
-
_mesa_reference_program(ctx, &shader->Program, prog);
+ /* This has to be done last. Any operation the can cause
+ * prog->ParameterValues to get reallocated (e.g., anything that adds a
+ * program constant) has to happen before creating this linkage.
+ */
+ _mesa_associate_uniform_storage(ctx, shader_program, prog->Parameters);
+ if (!shader_program->LinkStatus) {
+ return NULL;
+ }
+
struct st_vertex_program *stvp;
struct st_fragment_program *stfp;
struct st_geometry_program *stgp;
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