From 07d91bbb59e42abb9c5c6d84c850d004db1d964c Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Thu, 21 Apr 2005 21:43:21 +0000 Subject: Fixed TexEnv modes GL_BLEND and GL_ADD on Savage4-based cards. Disabled the use of hardware texture format I8 as it produces garbage at least on ProSavageDDR. --- src/mesa/drivers/dri/savage/savage_bci.h | 2 + src/mesa/drivers/dri/savage/savagecontext.h | 1 + src/mesa/drivers/dri/savage/savagetex.c | 92 +++++++++++++++++++++-------- 3 files changed, 71 insertions(+), 24 deletions(-) (limited to 'src/mesa/drivers') diff --git a/src/mesa/drivers/dri/savage/savage_bci.h b/src/mesa/drivers/dri/savage/savage_bci.h index 0928b3ca74..591235c4bd 100644 --- a/src/mesa/drivers/dri/savage/savage_bci.h +++ b/src/mesa/drivers/dri/savage/savage_bci.h @@ -367,6 +367,7 @@ typedef enum #define TBC_BlendInt0 0x00040004 #define TBC_BlendInt1 0x01c20e02 #define TBC_AddAlpha 0x19910c11 +#define TBC_Add 0x18110c11 #define TBC_Decal1 0x00870410 #define TBC_Modul1 0x00870013 @@ -376,6 +377,7 @@ typedef enum #define TBC_Copy1 0x00870400 #define TBC_CopyAlpha1 0x00900400 #define TBC_AddAlpha1 0x19930c13 +#define TBC_Add1 0x18130c13 /* * derived from TexBlendCtrl diff --git a/src/mesa/drivers/dri/savage/savagecontext.h b/src/mesa/drivers/dri/savage/savagecontext.h index 30a97150a8..95dedc1360 100644 --- a/src/mesa/drivers/dri/savage/savagecontext.h +++ b/src/mesa/drivers/dri/savage/savagecontext.h @@ -189,6 +189,7 @@ struct savage_context_t { * completely on the fly: */ GLuint LcsCullMode; + GLuint texEnvColor; /* Vertex state */ diff --git a/src/mesa/drivers/dri/savage/savagetex.c b/src/mesa/drivers/dri/savage/savagetex.c index 934b6e2b3c..b681b0293b 100644 --- a/src/mesa/drivers/dri/savage/savagetex.c +++ b/src/mesa/drivers/dri/savage/savagetex.c @@ -577,7 +577,9 @@ savageChooseTextureFormat( GLcontext *ctx, GLint internalFormat, case GL_LUMINANCE12_ALPHA12: case GL_LUMINANCE16_ALPHA16: return !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; - +#if 0 + /* TFT_I8 produces garbage on ProSavageDDR and subsequent texture + * disable keeps rendering garbage. Disabled for now. */ case GL_INTENSITY: case GL_COMPRESSED_INTENSITY: return isSavage4 ? &_mesa_texformat_i8 : ( @@ -589,6 +591,18 @@ savageChooseTextureFormat( GLcontext *ctx, GLint internalFormat, case GL_INTENSITY16: return isSavage4 ? &_mesa_texformat_i8 : ( !force16bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444); +#else + case GL_INTENSITY: + case GL_COMPRESSED_INTENSITY: + return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; + case GL_INTENSITY4: + return &_mesa_texformat_argb4444; + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + return !force16bpt ? &_mesa_texformat_argb8888 : + &_mesa_texformat_argb4444; +#endif /* case GL_COLOR_INDEX: case GL_COLOR_INDEX1_EXT: @@ -818,12 +832,11 @@ static void savageUpdateTex0State_s4( GLcontext *ctx ) GLuint format; /* disable */ - if (ctx->Texture.Unit[0]._ReallyEnabled == 0) { - imesa->regs.s4.texDescr.ni.tex0En = GL_FALSE; - imesa->regs.s4.texBlendCtrl[0].ui = TBC_NoTexMap; - imesa->regs.s4.texCtrl[0].ui = 0x20f040; + imesa->regs.s4.texDescr.ni.tex0En = GL_FALSE; + imesa->regs.s4.texBlendCtrl[0].ui = TBC_NoTexMap; + imesa->regs.s4.texCtrl[0].ui = 0x20f040; + if (ctx->Texture.Unit[0]._ReallyEnabled == 0) return; - } tObj = ctx->Texture.Unit[0]._Current; if ((ctx->Texture.Unit[0]._ReallyEnabled & ~(TEXTURE_1D_BIT|TEXTURE_2D_BIT)) @@ -914,6 +927,7 @@ static void savageUpdateTex0State_s4( GLcontext *ctx ) break; case GL_BLEND: + imesa->regs.s4.texBlendColor.ui = imesa->texEnvColor; switch (format) { @@ -983,12 +997,28 @@ static void savageUpdateTex0State_s4( GLcontext *ctx ) &imesa->regs.s4.texBlendCtrl[0]); break; - /* - GL_ADD - */ case GL_ADD: imesa->regs.s4.texCtrl[0].ni.clrArg1Invert = GL_FALSE; - imesa->regs.s4.texBlendCtrl[0].ui = TBC_AddAlpha; + switch (format) + { + case GL_ALPHA: + imesa->regs.s4.texBlendCtrl[0].ui = TBC_ModulAlpha; + break; + + case GL_LUMINANCE: + case GL_RGB: + imesa->regs.s4.texBlendCtrl[0].ui = TBC_Add; + break; + + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + imesa->regs.s4.texBlendCtrl[0].ui = TBC_Add; + break; + + case GL_INTENSITY: + imesa->regs.s4.texBlendCtrl[0].ui = TBC_AddAlpha; + break; + } __HWEnvCombineSingleUnitScale(imesa, 0, 0, &imesa->regs.s4.texBlendCtrl[0]); break; @@ -1083,13 +1113,12 @@ static void savageUpdateTex1State_s4( GLcontext *ctx ) return; } - if (ctx->Texture.Unit[1]._ReallyEnabled == 0) { - imesa->regs.s4.texDescr.ni.tex1En = GL_FALSE; - imesa->regs.s4.texBlendCtrl[1].ui = TBC_NoTexMap1; - imesa->regs.s4.texCtrl[1].ui = 0x20f040; - imesa->regs.s4.texDescr.ni.texBLoopEn = GL_FALSE; + imesa->regs.s4.texDescr.ni.tex1En = GL_FALSE; + imesa->regs.s4.texBlendCtrl[1].ui = TBC_NoTexMap1; + imesa->regs.s4.texCtrl[1].ui = 0x20f040; + imesa->regs.s4.texDescr.ni.texBLoopEn = GL_FALSE; + if (ctx->Texture.Unit[1]._ReallyEnabled == 0) return; - } tObj = ctx->Texture.Unit[1]._Current; @@ -1150,13 +1179,30 @@ static void savageUpdateTex1State_s4( GLcontext *ctx ) __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl); break; -/*#if GL_EXT_texture_env_add*/ case GL_ADD: imesa->regs.s4.texCtrl[1].ni.clrArg1Invert = GL_FALSE; - imesa->regs.s4.texBlendCtrl[1].ui = TBC_AddAlpha1; + switch (format) + { + case GL_ALPHA: + imesa->regs.s4.texBlendCtrl[1].ui = TBC_ModulAlpha1; + break; + + case GL_LUMINANCE: + case GL_RGB: + imesa->regs.s4.texBlendCtrl[1].ui = TBC_Add1; + break; + + case GL_LUMINANCE_ALPHA: + case GL_RGBA: + imesa->regs.s4.texBlendCtrl[1].ui = TBC_Add1; + break; + + case GL_INTENSITY: + imesa->regs.s4.texBlendCtrl[1].ui = TBC_AddAlpha1; + break; + } __HWEnvCombineSingleUnitScale(imesa, 0, 1, &imesa->regs.s4.texBlendCtrl); break; -/*#endif*/ #if GL_ARB_texture_env_combine case GL_COMBINE_ARB: @@ -1497,16 +1543,14 @@ static void savageTexEnv( GLcontext *ctx, GLenum target, struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; const GLfloat *fc = texUnit->EnvColor; - GLuint r, g, b, a, col; + GLuint r, g, b, a; CLAMPED_FLOAT_TO_UBYTE(r, fc[0]); CLAMPED_FLOAT_TO_UBYTE(g, fc[1]); CLAMPED_FLOAT_TO_UBYTE(b, fc[2]); CLAMPED_FLOAT_TO_UBYTE(a, fc[3]); - col = ((a << 24) | - (r << 16) | - (g << 8) | - (b << 0)); + imesa->texEnvColor = ((a << 24) | (r << 16) | + (g << 8) | (b << 0)); } -- cgit v1.2.3