Commit 1b23dd1b authored by Stefan Dösinger's avatar Stefan Dösinger Committed by Alexandre Julliard

wined3d: Implement the varying map.

parent 409103f8
......@@ -422,8 +422,24 @@ HRESULT shader_get_registers_used(
else if (WINED3DSPR_TEMP == regtype)
reg_maps->temporary[reg] = 1;
else if (WINED3DSPR_INPUT == regtype && !pshader)
reg_maps->attributes[reg] = 1;
else if (WINED3DSPR_INPUT == regtype) {
if( !pshader)
reg_maps->attributes[reg] = 1;
else {
if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
/* If relative addressing is used, we must assume that all registers
* are used. Even if it is a construct like v3[aL], we can't assume
* that v0, v1 and v2 aren't read because aL can be negative
*/
unsigned int i;
for(i = 0; i < MAX_REG_INPUT; i++) {
((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
}
} else {
((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
}
}
}
else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
reg_maps->fog = 1;
......
......@@ -2670,6 +2670,9 @@ static void handle_ps3_input(SHADER_BUFFER *buffer, semantic *semantics_in, sema
if(map[i] >= (GL_LIMITS(glsl_varyings) / 4)) {
FIXME("More input varyings declared than supported, expect issues\n");
continue;
} else if(map[i] == -1) {
/* Declared, but not read register */
continue;
}
register_token = semantics_in[i].reg;
......
......@@ -543,7 +543,7 @@ static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *i
if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) > 1) {
shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
HRESULT hr;
unsigned int i;
unsigned int i, j, highest_reg_used = 0, num_regs_used = 0;
/* Second pass: figure out which registers are used, what the semantics are, etc.. */
memset(reg_maps, 0, sizeof(shader_reg_maps));
......@@ -553,7 +553,38 @@ static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *i
/* FIXME: validate reg_maps against OpenGL */
for(i = 0; i < MAX_REG_INPUT; i++) {
This->input_reg_map[i] = i;
if(This->input_reg_used[i]) {
num_regs_used++;
highest_reg_used = i;
}
}
/* Don't do any register mapping magic if it is not needed, or if we can't
* achive anything anyway
*/
if(highest_reg_used < (GL_LIMITS(glsl_varyings) / 4) ||
num_regs_used >= (GL_LIMITS(glsl_varyings) / 4) ) {
if(num_regs_used >= (GL_LIMITS(glsl_varyings) / 4)) {
/* This happens with relative addressing. The input mapper function
* warns about this if the higher registers are declared too, so
* don't write a FIXME here
*/
WARN("More varying registers used than supported\n");
}
for(i = 0; i < MAX_REG_INPUT; i++) {
This->input_reg_map[i] = i;
}
} else {
j = 0;
for(i = 0; i < MAX_REG_INPUT; i++) {
if(This->input_reg_used[i]) {
This->input_reg_map[i] = j;
j++;
} else {
This->input_reg_map[i] = -1;
}
}
}
}
......
......@@ -2084,6 +2084,7 @@ typedef struct IWineD3DPixelShaderImpl {
/* Pixel shader input semantics */
semantic semantics_in [MAX_REG_INPUT];
DWORD input_reg_map[MAX_REG_INPUT];
BOOL input_reg_used[MAX_REG_INPUT];
/* run time data */
PSHADERDATA *data;
......
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