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wined3d: Beginnings of an HLSL FFP vertex shader implementation.

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This commit is contained in:
Elizabeth Figura 2024-06-09 12:50:29 -05:00
parent 8b8ca1acc5
commit 2af94b3952
2 changed files with 123 additions and 4 deletions
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122
dlls/wined3d/ffp_hlsl.c
View file

@ -1,6 +1,10 @@
/*
* Fixed-function pipeline replacement implemented using HLSL shaders
*
* Copyright 2006 Jason Green
* Copyright 2006-2007 Henri Verbeet
* Copyright 2007-2009,2013 Stefan Dösinger for CodeWeavers
* Copyright 2009-2011 Henri Verbeet for CodeWeavers
* Copyright 2022,2024 Elizabeth Figura for CodeWeavers
*
* This library is free software; you can redistribute it and/or
@ -24,10 +28,122 @@
WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
static bool ffp_hlsl_generate_vertex_shader(const struct wined3d_ffp_vs_settings *settings,
struct wined3d_string_buffer *string)
struct wined3d_string_buffer *buffer)
{
FIXME("Not yet implemented.\n");
return false;
if (settings->lighting)
FIXME("Ignoring lighting.\n");
if (settings->point_size)
FIXME("Ignoring point size.\n");
if (settings->transformed)
FIXME("Ignoring pretransformed vertices.\n");
if (settings->vertexblends)
FIXME("Ignoring vertex blend.\n");
if (settings->normal)
FIXME("Ignoring normals.\n");
if (settings->fog_mode != WINED3D_FFP_VS_FOG_OFF)
FIXME("Ignoring fog.\n");
/* This must be kept in sync with struct wined3d_ffp_vs_constants. */
shader_addline(buffer, "uniform struct\n");
shader_addline(buffer, "{\n");
shader_addline(buffer, " float4x4 modelview_matrices[%u];\n", MAX_VERTEX_BLENDS);
shader_addline(buffer, " float4x4 projection_matrix;\n");
shader_addline(buffer, " float4x4 texture_matrices[%u];\n", WINED3D_MAX_FFP_TEXTURES);
shader_addline(buffer, " float4 point_params;\n");
shader_addline(buffer, " struct\n");
shader_addline(buffer, " {\n");
shader_addline(buffer, " float4 diffuse;\n");
shader_addline(buffer, " float4 ambient;\n");
shader_addline(buffer, " float4 specular;\n");
shader_addline(buffer, " float4 emissive;\n");
shader_addline(buffer, " float power;\n");
shader_addline(buffer, " } material;\n");
shader_addline(buffer, " float4 ambient_colour;\n");
shader_addline(buffer, " struct\n");
shader_addline(buffer, " {\n");
shader_addline(buffer, " float4 diffuse, specular, ambient;\n");
shader_addline(buffer, " float4 position, direction;\n");
shader_addline(buffer, " float4 packed_params;\n");
shader_addline(buffer, " float4 attenuation;\n");
shader_addline(buffer, " } lights[%u];\n", WINED3D_MAX_ACTIVE_LIGHTS);
shader_addline(buffer, "} c;\n");
shader_addline(buffer, "struct input\n");
shader_addline(buffer, "{\n");
shader_addline(buffer, " float4 pos : POSITION;\n");
shader_addline(buffer, " float4 blend_weight : BLENDWEIGHT;\n");
shader_addline(buffer, " uint blend_indices : BLENDINDICES;\n");
shader_addline(buffer, " float3 normal : NORMAL;\n");
shader_addline(buffer, " float point_size : PSIZE;\n");
shader_addline(buffer, " float4 diffuse : COLOR0;\n");
shader_addline(buffer, " float4 specular : COLOR1;\n");
shader_addline(buffer, " float4 texcoord[%u] : TEXCOORD;\n", WINED3D_MAX_FFP_TEXTURES);
shader_addline(buffer, "};\n\n");
shader_addline(buffer, "struct output\n");
shader_addline(buffer, "{\n");
shader_addline(buffer, " float4 pos : POSITION;\n");
shader_addline(buffer, " float4 diffuse : COLOR0;\n");
shader_addline(buffer, " float4 specular : COLOR1;\n");
for (unsigned int i = 0; i < WINED3D_MAX_FFP_TEXTURES; ++i)
{
if (((settings->texgen[i] & 0xffff0000) != WINED3DTSS_TCI_PASSTHRU) || (settings->texcoords & (1u << i)))
shader_addline(buffer, " float4 texcoord%u : TEXCOORD%u;\n", i, i);
}
shader_addline(buffer, "};\n\n");
shader_addline(buffer, "void main(in struct input i, out struct output o)\n");
shader_addline(buffer, "{\n");
shader_addline(buffer, " float4 ec_pos = 0.0;\n\n");
shader_addline(buffer, " ec_pos += mul(c.modelview_matrices[0], float4(i.pos.xyz, 1.0));\n\n");
shader_addline(buffer, " o.pos = mul(c.projection_matrix, ec_pos);\n");
shader_addline(buffer, " ec_pos /= ec_pos.w;\n\n");
/* No lighting. */
if (settings->diffuse)
shader_addline(buffer, " o.diffuse = i.diffuse;\n");
else
shader_addline(buffer, " o.diffuse = 1.0;\n");
shader_addline(buffer, " o.specular = i.specular;\n\n");
for (unsigned int i = 0; i < WINED3D_MAX_FFP_TEXTURES; ++i)
{
switch (settings->texgen[i] & 0xffff0000)
{
case WINED3DTSS_TCI_PASSTHRU:
if (settings->texcoords & (1u << i))
shader_addline(buffer, " o.texcoord%u = mul(c.texture_matrices[%u], i.texcoord[%u]);\n",
i, i, settings->texgen[i] & 0x0000ffff);
else
continue;
break;
default:
FIXME("Unhandled texgen %#x.\n", settings->texgen[i]);
break;
}
}
switch (settings->fog_mode)
{
case WINED3D_FFP_VS_FOG_OFF:
break;
default:
FIXME("Unhandled fog mode %#x.\n", settings->fog_mode);
break;
}
shader_addline(buffer, "}\n");
return true;
}
static bool ffp_hlsl_generate_pixel_shader(const struct ffp_frag_settings *settings,

5
dlls/wined3d/wined3d_private.h
View file

@ -2050,10 +2050,11 @@ void context_state_fb(struct wined3d_context *context,
struct wined3d_light_constants
{
/* Padding is needed for the HLSL backend. */
struct wined3d_color diffuse, specular, ambient;
struct wined3d_vec4 position, direction;
float range, falloff, cos_half_theta, cos_half_phi;
float const_att, linear_att, quad_att;
float const_att, linear_att, quad_att, padding;
};
/*****************************************************************************
@ -2783,8 +2784,10 @@ struct wined3d_ffp_vs_constants
struct wined3d_ffp_point_constants
{
float scale_const, scale_linear, scale_quad;
float padding; /* For the HLSL backend. */
} point;
struct wined3d_material material;
float padding[3]; /* For the HLSL backend. */
struct wined3d_ffp_light_constants
{
struct wined3d_color ambient;