Module: wine Branch: master Commit: eb58fef6980bdd56f97273182326a64fb1920a53 URL: http://source.winehq.org/git/wine.git/?a=commit;h=eb58fef6980bdd56f972731823...
Author: Matteo Bruni mbruni@codeweavers.com Date: Fri Oct 2 14:54:45 2015 +0200
wined3d: Avoid the builtin fog coordinate varying on core profile.
Signed-off-by: Matteo Bruni mbruni@codeweavers.com
---
dlls/wined3d/glsl_shader.c | 80 +++++++++++++++++++++++++++++++++++++++------- 1 file changed, 69 insertions(+), 11 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c index 5361bea..af44989 100644 --- a/dlls/wined3d/glsl_shader.c +++ b/dlls/wined3d/glsl_shader.c @@ -1833,6 +1833,11 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont shader_addline(buffer, "} ffp_point;\n"); }
+ if (!gl_info->supported[WINED3D_GL_LEGACY_CONTEXT]) + { + declare_out_varying(gl_info, buffer, FALSE, "float ffp_varying_fogcoord;\n"); + } + shader_addline(buffer, "uniform vec4 posFixup;\n"); shader_addline(buffer, "void order_ps_input(in vec4[%u]);\n", shader->limits->packed_output); } @@ -1850,6 +1855,15 @@ static void shader_generate_glsl_declarations(const struct wined3d_context *cont shader_addline(buffer, " float end;\n"); shader_addline(buffer, " float scale;\n"); shader_addline(buffer, "} ffp_fog;\n"); + + if (gl_info->supported[WINED3D_GL_LEGACY_CONTEXT]) + { + shader_addline(buffer, "float ffp_varying_fogcoord;\n"); + } + else + { + declare_in_varying(gl_info, buffer, FALSE, "float ffp_varying_fogcoord;\n"); + } }
if (version->major >= 3) @@ -4909,6 +4923,7 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv, const char *semantic_name; UINT semantic_idx; char reg_mask[6]; + BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
string_buffer_clear(buffer);
@@ -4924,6 +4939,11 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
if (ps_major < 3) { + if (!legacy_context) + { + declare_out_varying(gl_info, buffer, FALSE, "float ffp_varying_fogcoord;\n"); + } + shader_addline(buffer, "void order_ps_input(in vec4 vs_out[%u])\n{\n", vs->limits->packed_output);
for (i = 0; i < vs->output_signature.element_count; ++i) @@ -4973,7 +4993,8 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv, } else if (shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_FOG)) { - shader_addline(buffer, "gl_FogFragCoord = clamp(vs_out[%u].%c, 0.0, 1.0);\n", + shader_addline(buffer, "%s = clamp(vs_out[%u].%c, 0.0, 1.0);\n", + legacy_context ? "gl_FogFragCoord" : "ffp_varying_fogcoord", output->register_idx, reg_mask[1]); } } @@ -5042,16 +5063,16 @@ static void shader_glsl_generate_fog_code(struct wined3d_string_buffer *buffer, return;
case WINED3D_FFP_PS_FOG_LINEAR: - shader_addline(buffer, "float fog = (ffp_fog.end - gl_FogFragCoord) * ffp_fog.scale;\n"); + shader_addline(buffer, "float fog = (ffp_fog.end - ffp_varying_fogcoord) * ffp_fog.scale;\n"); break;
case WINED3D_FFP_PS_FOG_EXP: - shader_addline(buffer, "float fog = exp(-ffp_fog.density * gl_FogFragCoord);\n"); + shader_addline(buffer, "float fog = exp(-ffp_fog.density * ffp_varying_fogcoord);\n"); break;
case WINED3D_FFP_PS_FOG_EXP2: shader_addline(buffer, "float fog = exp(-ffp_fog.density * ffp_fog.density" - " * gl_FogFragCoord * gl_FogFragCoord);\n"); + " * ffp_varying_fogcoord * ffp_varying_fogcoord);\n"); break;
default: @@ -5073,6 +5094,7 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context const struct wined3d_gl_info *gl_info = context->gl_info; const DWORD *function = shader->function; struct shader_glsl_ctx_priv priv_ctx; + BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
/* Create the hw GLSL shader object and assign it as the shader->prgId */ GLuint shader_id = GL_EXTCALL(glCreateShader(GL_FRAGMENT_SHADER)); @@ -5100,6 +5122,12 @@ static GLuint shader_glsl_generate_pshader(const struct wined3d_context *context /* Base Declarations */ shader_generate_glsl_declarations(context, buffer, shader, reg_maps, &priv_ctx);
+ if (reg_maps->shader_version.major < 3 || args->vp_mode != vertexshader) + { + if (legacy_context) + shader_addline(buffer, "ffp_varying_fogcoord = gl_FogFragCoord;\n"); + } + /* Pack 3.0 inputs */ if (reg_maps->shader_version.major >= 3) shader_glsl_input_pack(shader, buffer, &shader->input_signature, reg_maps, args); @@ -5139,6 +5167,7 @@ static GLuint shader_glsl_generate_vshader(const struct wined3d_context *context const struct wined3d_gl_info *gl_info = context->gl_info; const DWORD *function = shader->function; struct shader_glsl_ctx_priv priv_ctx; + BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
/* Create the hw GLSL shader program and assign it as the shader->prgId */ GLuint shader_id = GL_EXTCALL(glCreateShader(GL_VERTEX_SHADER)); @@ -5173,9 +5202,11 @@ static GLuint shader_glsl_generate_vshader(const struct wined3d_context *context * the shader, it is set to 0.0(fully fogged, since start = 1.0, end = 0.0) */ if (args->fog_src == VS_FOG_Z) - shader_addline(buffer, "gl_FogFragCoord = gl_Position.z;\n"); + shader_addline(buffer, "%s = gl_Position.z;\n", + legacy_context ? "gl_FogFragCoord" : "ffp_varying_fogcoord"); else if (!reg_maps->fog) - shader_addline(buffer, "gl_FogFragCoord = 0.0;\n"); + shader_addline(buffer, "%s = 0.0;\n", + legacy_context ? "gl_FogFragCoord" : "ffp_varying_fogcoord");
/* We always store the clipplanes without y inversion */ if (args->clip_enabled) @@ -5637,6 +5668,8 @@ static GLuint shader_glsl_generate_ffp_vertex_shader(struct wined3d_string_buffe }; GLuint shader_obj; unsigned int i; + BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT]; + BOOL output_legacy_fogcoord = legacy_context;
string_buffer_clear(buffer);
@@ -5691,6 +5724,15 @@ static GLuint shader_glsl_generate_ffp_vertex_shader(struct wined3d_string_buffe shader_addline(buffer, "} ffp_point;\n"); }
+ if (legacy_context) + { + shader_addline(buffer, "float ffp_varying_fogcoord;\n"); + } + else + { + declare_out_varying(gl_info, buffer, FALSE, "float ffp_varying_fogcoord;\n"); + } + shader_addline(buffer, "\nvoid main()\n{\n"); shader_addline(buffer, "float m;\n"); shader_addline(buffer, "vec3 r;\n"); @@ -5791,30 +5833,33 @@ static GLuint shader_glsl_generate_ffp_vertex_shader(struct wined3d_string_buffe switch (settings->fog_mode) { case WINED3D_FFP_VS_FOG_OFF: + output_legacy_fogcoord = FALSE; break;
case WINED3D_FFP_VS_FOG_FOGCOORD: - shader_addline(buffer, "gl_FogFragCoord = ffp_attrib_specular.w * 255.0;\n"); + shader_addline(buffer, "ffp_varying_fogcoord = ffp_attrib_specular.w * 255.0;\n"); break;
case WINED3D_FFP_VS_FOG_RANGE: - shader_addline(buffer, "gl_FogFragCoord = length(ec_pos.xyz);\n"); + shader_addline(buffer, "ffp_varying_fogcoord = length(ec_pos.xyz);\n"); break;
case WINED3D_FFP_VS_FOG_DEPTH: if (settings->ortho_fog) /* Need to undo the [0.0 - 1.0] -> [-1.0 - 1.0] transformation from D3D to GL coordinates. */ - shader_addline(buffer, "gl_FogFragCoord = gl_Position.z * 0.5 + 0.5;\n"); + shader_addline(buffer, "ffp_varying_fogcoord = gl_Position.z * 0.5 + 0.5;\n"); else if (settings->transformed) - shader_addline(buffer, "gl_FogFragCoord = ec_pos.z;\n"); + shader_addline(buffer, "ffp_varying_fogcoord = ec_pos.z;\n"); else - shader_addline(buffer, "gl_FogFragCoord = abs(ec_pos.z);\n"); + shader_addline(buffer, "ffp_varying_fogcoord = abs(ec_pos.z);\n"); break;
default: ERR("Unhandled fog mode %#x.\n", settings->fog_mode); break; } + if (output_legacy_fogcoord) + shader_addline(buffer, "gl_FogFragCoord = ffp_varying_fogcoord;\n");
if (settings->point_size) { @@ -6093,6 +6138,7 @@ static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv * DWORD arg0, arg1, arg2; unsigned int stage; struct wined3d_string_buffer *tex_reg_name = string_buffer_get(&priv->string_buffers); + BOOL legacy_context = gl_info->supported[WINED3D_GL_LEGACY_CONTEXT];
string_buffer_clear(buffer);
@@ -6232,8 +6278,20 @@ static GLuint shader_glsl_generate_ffp_fragment_shader(struct shader_glsl_priv * shader_addline(buffer, " float scale;\n"); shader_addline(buffer, "} ffp_fog;\n");
+ if (legacy_context) + { + shader_addline(buffer, "float ffp_varying_fogcoord;\n"); + } + else + { + declare_in_varying(gl_info, buffer, FALSE, "float ffp_varying_fogcoord;\n"); + } + shader_addline(buffer, "void main()\n{\n");
+ if (legacy_context && settings->fog != WINED3D_FFP_PS_FOG_OFF) + shader_addline(buffer, "ffp_varying_fogcoord = gl_FogFragCoord;\n"); + if (lowest_disabled_stage < 7 && settings->emul_clipplanes) shader_addline(buffer, "if (any(lessThan(gl_TexCoord[7], vec4(0.0)))) discard;\n");