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wined3d: Reload the first 8 constants on a 1.x and != 1.x ps switch. 

ps 1.x constants are clamped to [-1;1], constants in >= 2.0 pshaders
are not. This means we have to reload constants when switching between
those shader types in ARB. In GLSL this is not a concern because
constants are tied to program objects and are reloaded on a shader
change anyway.
This commit is contained in:
Stefan Dösinger 2009-06-17 22:55:13 +02:00 committed by Alexandre Julliard
parent 2364ce08e5
commit bb8bcf5878
1 changed files with 23 additions and 1 deletions
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24
dlls/wined3d/arb_program_shader.c
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@ -206,6 +206,7 @@ struct arb_pshader_private {
BOOL has_signature_idx;
DWORD input_signature_idx;
DWORD clipplane_emulation;
BOOL clamp_consts;
};
struct arb_vshader_private {
@ -223,6 +224,7 @@ struct shader_arb_priv
GLuint depth_blt_fprogram_id[tex_type_count];
BOOL use_arbfp_fixed_func;
struct wine_rb_tree fragment_shaders;
BOOL last_ps_const_clamped;
struct wine_rb_tree signature_tree;
DWORD ps_sig_number;
@ -3588,6 +3590,8 @@ static struct arb_ps_compiled_shader *find_arb_pshader(IWineD3DPixelShaderImpl *
if(!shader->backend_priv) {
shader->backend_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*shader_data));
shader_data = shader->backend_priv;
shader_data->clamp_consts = shader->baseShader.reg_maps.shader_version.major == 1;
}
shader_data = shader->backend_priv;
@ -3858,6 +3862,7 @@ static void shader_arb_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
struct shader_arb_priv *priv = This->shader_priv;
const WineD3D_GL_Info *gl_info = &This->adapter->gl_info;
int i;
/* Deal with pixel shaders first so the vertex shader arg function has the input signature ready */
if (usePS) {
@ -3895,7 +3900,24 @@ static void shader_arb_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {
}
TRACE("(%p) : Bound fragment program %u and enabled GL_FRAGMENT_PROGRAM_ARB\n", This, priv->current_fprogram_id);
shader_arb_ps_local_constants(This);
/* Pixel Shader 1.x constants are clamped to [-1;1], Pixel Shader 2.0 constants are not. If switching between
* a 1.x and newer shader, reload the first 8 constants
*/
if(priv->last_ps_const_clamped != ((struct arb_pshader_private *) ps->backend_priv)->clamp_consts)
{
priv->last_ps_const_clamped = ((struct arb_pshader_private *) ps->backend_priv)->clamp_consts;
This->highest_dirty_ps_const = max(This->highest_dirty_ps_const, 8);
for(i = 0; i < 8; i++)
{
This->activeContext->pshader_const_dirty[i] = 1;
}
/* Also takes care of loading local constants */
shader_arb_load_constants(iface, TRUE, FALSE);
}
else
{
shader_arb_ps_local_constants(This);
}
} else if(GL_SUPPORT(ARB_FRAGMENT_PROGRAM) && !priv->use_arbfp_fixed_func) {
/* Disable only if we're not using arbfp fixed function fragment processing. If this is used,
* keep GL_FRAGMENT_PROGRAM_ARB enabled, and the fixed function pipeline will bind the fixed function