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-rw-r--r--src/mesa/main/mtypes.h6
-rw-r--r--src/mesa/main/uniforms.c18
-rw-r--r--src/mesa/state_tracker/st_glsl_to_tgsi.cpp40
3 files changed, 37 insertions, 27 deletions
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 2d5f44c1e7b..8b3650321db 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2717,6 +2717,12 @@ struct gl_constants
GLuint GLSLVersion; /**< GLSL version supported (ex: 120 = 1.20) */
+ /**
+ * Does the driver support real 32-bit integers? (Otherwise, integers are
+ * simulated via floats.)
+ */
+ GLboolean NativeIntegers;
+
/** Which texture units support GL_ATI_envmap_bumpmap as targets */
GLbitfield SupportedBumpUnits;
diff --git a/src/mesa/main/uniforms.c b/src/mesa/main/uniforms.c
index 1329af4cd7e..cda840fe2d2 100644
--- a/src/mesa/main/uniforms.c
+++ b/src/mesa/main/uniforms.c
@@ -454,9 +454,9 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
for (i = 0; i < rows; i++) {
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
- params[k++] = ctx->Const.GLSLVersion <= 120 ?
- (GLint) prog->Parameters->ParameterValues[base][j].f :
- prog->Parameters->ParameterValues[base][j].i;
+ params[k++] = ctx->Const.NativeIntegers ?
+ prog->Parameters->ParameterValues[base][j].i :
+ (GLint) prog->Parameters->ParameterValues[base][j].f;
}
}
}
@@ -468,9 +468,9 @@ get_uniform(struct gl_context *ctx, GLuint program, GLint location,
for (i = 0; i < rows; i++) {
const int base = paramPos + offset + i;
for (j = 0; j < cols; j++ ) {
- params[k++] = ctx->Const.GLSLVersion <= 120 ?
- (GLuint) prog->Parameters->ParameterValues[base][j].f :
- prog->Parameters->ParameterValues[base][j].u;
+ params[k++] = ctx->Const.NativeIntegers ?
+ prog->Parameters->ParameterValues[base][j].u :
+ (GLuint) prog->Parameters->ParameterValues[base][j].f;
}
}
}
@@ -750,7 +750,7 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program,
if (basicType == GL_INT) {
const GLint *iValues = ((const GLint *) values) + k * elems;
for (i = 0; i < elems; i++) {
- if (ctx->Const.GLSLVersion <= 120)
+ if (!ctx->Const.NativeIntegers)
uniformVal[i].f = (GLfloat) iValues[i];
else
uniformVal[i].i = iValues[i];
@@ -759,7 +759,7 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program,
else if (basicType == GL_UNSIGNED_INT) {
const GLuint *iValues = ((const GLuint *) values) + k * elems;
for (i = 0; i < elems; i++) {
- if (ctx->Const.GLSLVersion <= 120)
+ if (!ctx->Const.NativeIntegers)
uniformVal[i].f = (GLfloat)(GLuint) iValues[i];
else
uniformVal[i].u = iValues[i];
@@ -781,7 +781,7 @@ set_program_uniform(struct gl_context *ctx, struct gl_program *program,
else
uniformVal[i].b = uniformVal[i].u ? 1 : 0;
- if (ctx->Const.GLSLVersion <= 120)
+ if (!ctx->Const.NativeIntegers)
uniformVal[i].f = uniformVal[i].b ? 1.0f : 0.0f;
}
}
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 7b90c812595..886a1776210 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -295,6 +295,7 @@ public:
bool indirect_addr_consts;
int glsl_version;
+ bool native_integers;
variable_storage *find_variable_storage(ir_variable *var);
@@ -600,7 +601,7 @@ glsl_to_tgsi_visitor::get_opcode(ir_instruction *ir, unsigned op,
if (src0.type == GLSL_TYPE_FLOAT || src1.type == GLSL_TYPE_FLOAT)
type = GLSL_TYPE_FLOAT;
- else if (glsl_version >= 130)
+ else if (native_integers)
type = src0.type;
#define case4(c, f, i, u) \
@@ -881,7 +882,7 @@ glsl_to_tgsi_visitor::st_src_reg_for_int(int val)
st_src_reg src(PROGRAM_IMMEDIATE, -1, GLSL_TYPE_INT);
union gl_constant_value uval;
- assert(glsl_version >= 130);
+ assert(native_integers);
uval.i = val;
src.index = add_constant(src.file, &uval, 1, GL_INT, &src.swizzle);
@@ -892,7 +893,7 @@ glsl_to_tgsi_visitor::st_src_reg_for_int(int val)
struct st_src_reg
glsl_to_tgsi_visitor::st_src_reg_for_type(int type, int val)
{
- if (glsl_version >= 130)
+ if (native_integers)
return type == GLSL_TYPE_FLOAT ? st_src_reg_for_float(val) :
st_src_reg_for_int(val);
else
@@ -950,7 +951,7 @@ glsl_to_tgsi_visitor::get_temp(const glsl_type *type)
{
st_src_reg src;
- src.type = glsl_version >= 130 ? type->base_type : GLSL_TYPE_FLOAT;
+ src.type = native_integers ? type->base_type : GLSL_TYPE_FLOAT;
src.file = PROGRAM_TEMPORARY;
src.index = next_temp;
src.reladdr = NULL;
@@ -1053,7 +1054,7 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir)
this->next_temp += type_size(ir->type);
dst = st_dst_reg(st_src_reg(PROGRAM_TEMPORARY, storage->index,
- glsl_version >= 130 ? ir->type->base_type : GLSL_TYPE_FLOAT));
+ native_integers ? ir->type->base_type : GLSL_TYPE_FLOAT));
}
@@ -1069,7 +1070,7 @@ glsl_to_tgsi_visitor::visit(ir_variable *ir)
}
} else {
st_src_reg src(PROGRAM_STATE_VAR, index,
- glsl_version >= 130 ? ir->type->base_type : GLSL_TYPE_FLOAT);
+ native_integers ? ir->type->base_type : GLSL_TYPE_FLOAT);
src.swizzle = slots[i].swizzle;
emit(ir, TGSI_OPCODE_MOV, dst, src);
/* even a float takes up a whole vec4 reg in a struct/array. */
@@ -1444,7 +1445,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
/* "==" operator producing a scalar boolean. */
if (ir->operands[0]->type->is_vector() ||
ir->operands[1]->type->is_vector()) {
- st_src_reg temp = get_temp(glsl_version >= 130 ?
+ st_src_reg temp = get_temp(native_integers ?
glsl_type::get_instance(ir->operands[0]->type->base_type, 4, 1) :
glsl_type::vec4_type);
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
@@ -1459,7 +1460,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
/* "!=" operator producing a scalar boolean. */
if (ir->operands[0]->type->is_vector() ||
ir->operands[1]->type->is_vector()) {
- st_src_reg temp = get_temp(glsl_version >= 130 ?
+ st_src_reg temp = get_temp(native_integers ?
glsl_type::get_instance(ir->operands[0]->type->base_type, 4, 1) :
glsl_type::vec4_type);
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
@@ -1514,7 +1515,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
break;
case ir_unop_i2f:
case ir_unop_b2f:
- if (glsl_version >= 130) {
+ if (native_integers) {
emit(ir, TGSI_OPCODE_I2F, result_dst, op[0]);
break;
}
@@ -1526,7 +1527,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
result_src = op[0];
break;
case ir_unop_f2i:
- if (glsl_version >= 130)
+ if (native_integers)
emit(ir, TGSI_OPCODE_F2I, result_dst, op[0]);
else
emit(ir, TGSI_OPCODE_TRUNC, result_dst, op[0]);
@@ -1567,7 +1568,7 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
break;
}
case ir_unop_u2f:
- if (glsl_version >= 130) {
+ if (native_integers) {
emit(ir, TGSI_OPCODE_U2F, result_dst, op[0]);
break;
}
@@ -1719,7 +1720,7 @@ glsl_to_tgsi_visitor::visit(ir_dereference_variable *ir)
}
this->result = st_src_reg(entry->file, entry->index, var->type);
- if (glsl_version <= 120)
+ if (!native_integers)
this->result.type = GLSL_TYPE_FLOAT;
}
@@ -2109,27 +2110,27 @@ glsl_to_tgsi_visitor::visit(ir_constant *ir)
}
break;
case GLSL_TYPE_UINT:
- gl_type = glsl_version >= 130 ? GL_UNSIGNED_INT : GL_FLOAT;
+ gl_type = native_integers ? GL_UNSIGNED_INT : GL_FLOAT;
for (i = 0; i < ir->type->vector_elements; i++) {
- if (glsl_version >= 130)
+ if (native_integers)
values[i].u = ir->value.u[i];
else
values[i].f = ir->value.u[i];
}
break;
case GLSL_TYPE_INT:
- gl_type = glsl_version >= 130 ? GL_INT : GL_FLOAT;
+ gl_type = native_integers ? GL_INT : GL_FLOAT;
for (i = 0; i < ir->type->vector_elements; i++) {
- if (glsl_version >= 130)
+ if (native_integers)
values[i].i = ir->value.i[i];
else
values[i].f = ir->value.i[i];
}
break;
case GLSL_TYPE_BOOL:
- gl_type = glsl_version >= 130 ? GL_BOOL : GL_FLOAT;
+ gl_type = native_integers ? GL_BOOL : GL_FLOAT;
for (i = 0; i < ir->type->vector_elements; i++) {
- if (glsl_version >= 130)
+ if (native_integers)
values[i].b = ir->value.b[i];
else
values[i].f = ir->value.b[i];
@@ -3611,6 +3612,7 @@ get_pixel_transfer_visitor(struct st_fragment_program *fp,
v->ctx = original->ctx;
v->prog = prog;
v->glsl_version = original->glsl_version;
+ v->native_integers = original->native_integers;
v->options = original->options;
v->next_temp = original->next_temp;
v->num_address_regs = original->num_address_regs;
@@ -3739,6 +3741,7 @@ get_bitmap_visitor(struct st_fragment_program *fp,
v->ctx = original->ctx;
v->prog = prog;
v->glsl_version = original->glsl_version;
+ v->native_integers = original->native_integers;
v->options = original->options;
v->next_temp = original->next_temp;
v->num_address_regs = original->num_address_regs;
@@ -4674,6 +4677,7 @@ get_mesa_program(struct gl_context *ctx,
v->shader_program = shader_program;
v->options = options;
v->glsl_version = ctx->Const.GLSLVersion;
+ v->native_integers = ctx->Const.NativeIntegers;
add_uniforms_to_parameters_list(shader_program, shader, prog);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 08:50:32 +0000