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wined3d: Pixel Shader varying indexing.

This commit is contained in:
Stefan Dösinger 2007-10-28 00:08:56 +02:00 committed by Alexandre Julliard
parent 9a9dfc76cb
commit 0615c8e454
1 changed files with 51 additions and 7 deletions
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58
dlls/wined3d/glsl_shader.c
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@ -773,9 +773,16 @@ static void shader_glsl_get_register_name(
case WINED3DSPR_INPUT: case WINED3DSPR_INPUT:
if (pshader) { if (pshader) {
/* Pixel shaders >= 3.0 */ /* Pixel shaders >= 3.0 */
if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
sprintf(tmpStr, "IN[%u]", reg); if (param & WINED3DSHADER_ADDRMODE_RELATIVE) {
else { glsl_src_param_t rel_param;
shader_glsl_add_src_param(arg, addr_token, 0, WINED3DSP_WRITEMASK_0, &rel_param);
sprintf(tmpStr, "IN[%s + %u]", rel_param.param_str, reg);
} else {
sprintf(tmpStr, "IN[%u]", reg);
}
} else {
if (reg==0) if (reg==0)
strcpy(tmpStr, "gl_Color"); strcpy(tmpStr, "gl_Color");
else else
@ -1817,13 +1824,50 @@ void shader_glsl_sincos(SHADER_OPCODE_ARG* arg) {
void shader_glsl_loop(SHADER_OPCODE_ARG* arg) { void shader_glsl_loop(SHADER_OPCODE_ARG* arg) {
glsl_src_param_t src1_param; glsl_src_param_t src1_param;
IWineD3DBaseShaderImpl* shader = (IWineD3DBaseShaderImpl*) arg->shader; IWineD3DBaseShaderImpl* shader = (IWineD3DBaseShaderImpl*) arg->shader;
DWORD regtype = shader_get_regtype(arg->src[1]);
DWORD reg = arg->src[1] & WINED3DSP_REGNUM_MASK;
const DWORD *control_values = NULL;
local_constant *constant;
shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_ALL, &src1_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_ALL, &src1_param);
shader_addline(arg->buffer, "for (tmpInt%u = 0, aL%u = %s.y; tmpInt%u < %s.x; tmpInt%u++, aL%u += %s.z) {\n", /* Try to hardcode the loop control parameters if possible. Direct3D 9 class hardware doesn't support real
shader->baseShader.cur_loop_depth, shader->baseShader.cur_loop_regno, * varying indexing, but Microsoft designed this feature for Shader model 2.x+. If the loop control is
src1_param.reg_name, shader->baseShader.cur_loop_depth, src1_param.reg_name, * known at compile time, the GLSL compiler can unroll the loop, and replace indirect addressing with direct
shader->baseShader.cur_loop_depth, shader->baseShader.cur_loop_regno, src1_param.reg_name); * addressing.
*/
if(regtype == WINED3DSPR_CONSTINT) {
LIST_FOR_EACH_ENTRY(constant, &shader->baseShader.constantsI, local_constant, entry) {
if(constant->idx == reg) {
control_values = constant->value;
break;
}
}
}
if(control_values) {
if(control_values[2] > 0) {
shader_addline(arg->buffer, "for (aL%u = %d; aL%u < (%d * %d + %d); aL%u += %d) {\n",
shader->baseShader.cur_loop_depth, control_values[1],
shader->baseShader.cur_loop_depth, control_values[0], control_values[2], control_values[1],
shader->baseShader.cur_loop_depth, control_values[2]);
} else if(control_values[2] == 0) {
shader_addline(arg->buffer, "for (aL%u = %d, tmpInt%u = 0; tmpInt%u < %d; tmpInt%u++) {\n",
shader->baseShader.cur_loop_depth, control_values[1], shader->baseShader.cur_loop_depth,
shader->baseShader.cur_loop_depth, control_values[0],
shader->baseShader.cur_loop_depth);
} else {
shader_addline(arg->buffer, "for (aL%u = %d; aL%u > (%d * %d + %d); aL%u += %d) {\n",
shader->baseShader.cur_loop_depth, control_values[1],
shader->baseShader.cur_loop_depth, control_values[0], control_values[2], control_values[1],
shader->baseShader.cur_loop_depth, control_values[2]);
}
} else {
shader_addline(arg->buffer, "for (tmpInt%u = 0, aL%u = %s.y; tmpInt%u < %s.x; tmpInt%u++, aL%u += %s.z) {\n",
shader->baseShader.cur_loop_depth, shader->baseShader.cur_loop_regno,
src1_param.reg_name, shader->baseShader.cur_loop_depth, src1_param.reg_name,
shader->baseShader.cur_loop_depth, shader->baseShader.cur_loop_regno, src1_param.reg_name);
}
shader->baseShader.cur_loop_depth++; shader->baseShader.cur_loop_depth++;
shader->baseShader.cur_loop_regno++; shader->baseShader.cur_loop_regno++;