enable offsetmapping permutations only if a normalmap exists and no bias is set

[xonotic/darkplaces.git] / gl_rmain.c

diff --git a/gl_rmain.c b/gl_rmain.c
index 78d271a20c5490d438f445426b6c07ecb09e826b..b2c7e6f99623eb419a2b83614e3f918cdfc7770e 100644 (file)
--- a/gl_rmain.c
+++ b/gl_rmain.c
@@ -827,6 +827,7 @@ typedef struct r_glsl_permutation_s
        int loc_LightPosition;
        int loc_OffsetMapping_ScaleSteps;
        int loc_OffsetMapping_LodDistance;
+       int loc_OffsetMapping_Bias;
        int loc_PixelSize;
        int loc_ReflectColor;
        int loc_ReflectFactor;
@@ -1149,6 +1150,7 @@ static void R_GLSL_CompilePermutation(r_glsl_permutation_t *p, unsigned int mode
                p->loc_LightPosition              = qglGetUniformLocation(p->program, "LightPosition");
                p->loc_OffsetMapping_ScaleSteps   = qglGetUniformLocation(p->program, "OffsetMapping_ScaleSteps");
                p->loc_OffsetMapping_LodDistance  = qglGetUniformLocation(p->program, "OffsetMapping_LodDistance");
+               p->loc_OffsetMapping_Bias         = qglGetUniformLocation(p->program, "OffsetMapping_Bias");
                p->loc_PixelSize                  = qglGetUniformLocation(p->program, "PixelSize");
                p->loc_ReflectColor               = qglGetUniformLocation(p->program, "ReflectColor");
                p->loc_ReflectFactor              = qglGetUniformLocation(p->program, "ReflectFactor");
@@ -1389,6 +1391,7 @@ typedef enum D3DPSREGISTER_e
        D3DPSREGISTER_ModelToReflectCube = 48, // float4x4
        D3DPSREGISTER_NormalmapScrollBlend = 52,
        D3DPSREGISTER_OffsetMapping_LodDistance = 53,
+       D3DPSREGISTER_OffsetMapping_Bias = 54,
        // next at 54
 }
 D3DPSREGISTER_t;
@@ -2180,7 +2183,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else if (rsurfacepass == RSURFPASS_DEFERREDGEOMETRY)
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2201,7 +2204,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else if (rsurfacepass == RSURFPASS_RTLIGHT)
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2247,7 +2250,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_FULLBRIGHT)
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2300,7 +2303,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT_DIRECTIONAL)
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2363,7 +2366,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else if (rsurface.texture->currentmaterialflags & MATERIALFLAG_MODELLIGHT)
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2423,7 +2426,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
        }
        else
        {
-               if (r_glsl_offsetmapping.integer)
+               if (r_glsl_offsetmapping.integer && (rsurface.texture->nmaptexture != r_texture_blanknormalmap || rsurface.texture->offsetbias != 0.0f))
                {
                        switch(rsurface.texture->offsetmapping)
                        {
@@ -2627,7 +2630,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                                1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
                                max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
                        );
-               hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer)
+               hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
+               hlslPSSetParameter1f(D3DPSREGISTER_OffsetMapping_Bias, rsurface.texture->offsetbias);
                hlslPSSetParameter2f(D3DPSREGISTER_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
                hlslPSSetParameter2f(D3DPSREGISTER_PixelToScreenTexCoord, 1.0f/vid.width, 1.0/vid.height);
 
@@ -2789,6 +2793,7 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                                max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
                        );
                if (r_glsl_permutation->loc_OffsetMapping_LodDistance >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
+               if (r_glsl_permutation->loc_OffsetMapping_Bias >= 0) qglUniform1f(r_glsl_permutation->loc_OffsetMapping_Bias, rsurface.texture->offsetbias);
                if (r_glsl_permutation->loc_ScreenToDepth >= 0) qglUniform2f(r_glsl_permutation->loc_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
                if (r_glsl_permutation->loc_PixelToScreenTexCoord >= 0) qglUniform2f(r_glsl_permutation->loc_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);
                if (r_glsl_permutation->loc_BounceGridMatrix >= 0) {Matrix4x4_Concat(&tempmatrix, &r_shadow_bouncegridmatrix, &rsurface.matrix);Matrix4x4_ToArrayFloatGL(&tempmatrix, m16f);qglUniformMatrix4fv(r_glsl_permutation->loc_BounceGridMatrix, 1, false, m16f);}
@@ -2934,6 +2939,8 @@ void R_SetupShader_Surface(const vec3_t lightcolorbase, qboolean modellighting,
                                1.0 / max(1, (permutation & SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING) ? r_glsl_offsetmapping_reliefmapping_steps.integer : r_glsl_offsetmapping_steps.integer),
                                max(1, r_glsl_offsetmapping_reliefmapping_refinesteps.integer)
                        );
+               DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_LodDistance, r_glsl_offsetmapping_lod_distance.integer);
+               DPSOFTRAST_Uniform1f(DPSOFTRAST_UNIFORM_OffsetMapping_Bias, rsurface.texture->offsetbias);
                DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_ScreenToDepth, r_refdef.view.viewport.screentodepth[0], r_refdef.view.viewport.screentodepth[1]);
                DPSOFTRAST_Uniform2f(DPSOFTRAST_UNIFORM_PixelToScreenTexCoord, 1.0f/vid.width, 1.0f/vid.height);