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wined3d: Don't run out of varyings because of clipplanes.

This commit is contained in:
Stefan Doesinger 2009-06-12 19:55:09 -07:00 committed by Alexandre Julliard
parent b53b5909ff
commit f1e97cdfbc
1 changed files with 28 additions and 9 deletions
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37
dlls/wined3d/arb_program_shader.c
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@ -507,7 +507,8 @@ static DWORD *local_const_mapping(IWineD3DBaseShaderImpl *This)
/* Generate the variable & register declarations for the ARB_vertex_program output target */
static DWORD shader_generate_arb_declarations(IWineD3DBaseShader *iface, const shader_reg_maps *reg_maps,
SHADER_BUFFER *buffer, const WineD3D_GL_Info *gl_info, DWORD *lconst_map)
SHADER_BUFFER *buffer, const WineD3D_GL_Info *gl_info, DWORD *lconst_map, DWORD *num_clipplanes,
struct shader_arb_ctx_priv *ctx)
{
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
DWORD i, next_local = 0;
@ -530,9 +531,27 @@ static DWORD shader_generate_arb_declarations(IWineD3DBaseShader *iface, const s
} else {
if(This->baseShader.reg_maps.usesrelconstF) {
max_constantsF = GL_LIMITS(vshader_constantsF) - reserved_vs_const(iface, gl_info);
if(GL_SUPPORT(NV_VERTEX_PROGRAM2_OPTION)) max_constantsF -= GL_LIMITS(clipplanes);
max_constantsF -= count_bits(This->baseShader.reg_maps.integer_constants);
if(ctx->target_version >= NV2)
{
DWORD highest_constf = 0;
for(i = 0; i < This->baseShader.limits.constant_float; i++)
{
DWORD idx = i >> 5;
DWORD shift = i & 0x1f;
if(reg_maps->constf[idx] & (1 << shift)) highest_constf = i;
}
*num_clipplanes = min(GL_LIMITS(clipplanes), max_constantsF - highest_constf - 1);
max_constantsF -= *num_clipplanes;
if(*num_clipplanes < GL_LIMITS(clipplanes))
{
WARN("Only %u clipplanes out of %u enabled\n", *num_clipplanes, GL_LIMITS(clipplanes));
}
}
} else {
if(ctx->target_version >= NV2) *num_clipplanes = GL_LIMITS(clipplanes);
else *num_clipplanes = 0;
max_constantsF = GL_LIMITS(vshader_constantsF) - 1;
}
}
@ -2943,7 +2962,8 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShaderImpl *This,
}
/* Base Declarations */
next_local = shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION, lconst_map);
next_local = shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION,
lconst_map, NULL, &priv_ctx);
for(i = 0; i < (sizeof(reg_maps->bumpmat) / sizeof(reg_maps->bumpmat[0])); i++) {
if(!reg_maps->bumpmat[i]) continue;
@ -3306,6 +3326,7 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShaderImpl *This,
DWORD next_local, *lconst_map = local_const_mapping((IWineD3DBaseShaderImpl *) This);
struct shader_arb_ctx_priv priv_ctx;
unsigned int i;
DWORD num_clipplanes = 0;
memset(&priv_ctx, 0, sizeof(priv_ctx));
priv_ctx.cur_vs_args = args;
@ -3342,7 +3363,8 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShaderImpl *This,
shader_addline(buffer, "TEMP TA;\n");
/* Base Declarations */
next_local = shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION, lconst_map);
next_local = shader_generate_arb_declarations( (IWineD3DBaseShader*) This, reg_maps, buffer, &GLINFO_LOCATION,
lconst_map, &num_clipplanes, &priv_ctx);
for(i = 0; i < MAX_CONST_I; i++)
{
@ -3419,12 +3441,9 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShaderImpl *This,
shader_addline(buffer, "ADD TMP_OUT.x, TMP_OUT.x, TA.z;\n");
shader_addline(buffer, "MAD TMP_OUT.y, TMP_OUT.y, posFixup.y, TA.w;\n");
if(priv_ctx.target_version >= NV2)
for(i = 0; i < num_clipplanes; i++)
{
for(i = 0; i < GL_LIMITS(clipplanes); i++)
{
shader_addline(buffer, "DP4 result.clip[%u].x, TMP_OUT, state.clip[%u].plane;\n", i, i);
}
shader_addline(buffer, "DP4 result.clip[%u].x, TMP_OUT, state.clip[%u].plane;\n", i, i);
}
/* Z coord [0;1]->[-1;1] mapping, see comment in transform_projection in state.c