diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/glide/fxdd.c | 72 |
1 files changed, 42 insertions, 30 deletions
diff --git a/src/mesa/drivers/glide/fxdd.c b/src/mesa/drivers/glide/fxdd.c index 3fec69c81a..dedd7da981 100644 --- a/src/mesa/drivers/glide/fxdd.c +++ b/src/mesa/drivers/glide/fxdd.c @@ -1064,7 +1064,7 @@ fxDDReadPixels8888 (GLcontext * ctx, } -void +static void fxDDDrawPixels555 (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, @@ -1199,7 +1199,7 @@ fxDDDrawPixels555 (GLcontext * ctx, GLint x, GLint y, } -void +static void fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, @@ -1334,7 +1334,7 @@ fxDDDrawPixels565 (GLcontext * ctx, GLint x, GLint y, } -void +static void fxDDDrawPixels565_rev (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, @@ -1469,7 +1469,7 @@ fxDDDrawPixels565_rev (GLcontext * ctx, GLint x, GLint y, } -void +static void fxDDDrawPixels8888 (GLcontext * ctx, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, @@ -1869,27 +1869,34 @@ fxDDInitExtensions(GLcontext * ctx) _mesa_enable_extension(ctx, "GL_S3_s3tc"); _mesa_enable_extension(ctx, "GL_NV_blend_square"); } else { -#if FX_TC_NCC - /* [dBorca] Hack alert: - * 1) NCC w/o DITHER_ERR has poor quality and NCC w/ DITHER_ERR is - * damn slow! - * 2) NCC compression cannot be used with multitexturing, because - * the decompression tables are not per TMU anymore (bear in mind - * that earlier Voodoos could handle 2 NCC tables for each TMU -- - * just look for POINTCAST_PALETTE). As a last resort, we could - * fake NCC multitexturing through multipass rendering, but... - * ohwell, it's not worth the effort... - * This stand true for multitexturing palletized textures. - * 3) since NCC is not an OpenGL standard (as opposed to FXT1/DXTC), we - * can't use precompressed textures! + /* [dBorca] + * We should enable generic texture compression functions, + * but some poorly written apps automatically assume S3TC. + * Binding NCC to GL_COMPRESSED_RGB[A] is an unnecessary hassle, + * since it's slow and ugly (better with palette textures, then). + * Moreover, NCC is not an OpenGL standard, so we can't use + * precompressed textures. Last, but not least, NCC runs amok + * when multitexturing on a Voodoo3 and up (see POINTCAST vs UMA). + * Note: this is also a problem with palette textures, but + * faking multitex by multipass is evil... + * Implementing NCC requires three stages: + * fxDDChooseTextureFormat: + * bind GL_COMPRESSED_RGB[A] to _mesa_texformat_argb8888, + * so we can quantize properly, at a later time + * fxDDTexImage: + * if GL_COMPRESSED_RGB + * use _mesa_texformat_l8 to get 1bpt and set GR_TEXFMT_YIQ_422 + * if GL_COMPRESSED_RGBA + * use _mesa_texformat_al88 to get 2bpt and set GR_TEXFMT_AYIQ_8422 + * txMipQuantize(...); + * if (level == 0) { + * txPalToNcc((GuNccTable *)(&(ti->palette)), pxMip.pal); + * } + * fxSetupSingleTMU_NoLock/fxSetupDoubleTMU_NoLock: + * grTexDownloadTable(GR_TEXTABLE_NCC0, &(ti->palette)); */ - if (fxMesa->HaveTexus2) { - _mesa_enable_extension(ctx, "GL_ARB_texture_compression"); - } -#else - /* doesn't like texture compression */ + /*_mesa_enable_extension(ctx, "GL_ARB_texture_compression");*/ _mesa_enable_extension(ctx, "GL_SGIS_generate_mipmap"); -#endif } if (fxMesa->HaveCmbExt) { @@ -1914,12 +1921,16 @@ fxDDInitExtensions(GLcontext * ctx) _mesa_enable_extension(ctx, "GL_EXT_multi_draw_arrays"); _mesa_enable_extension(ctx, "GL_IBM_multimode_draw_arrays"); _mesa_enable_extension(ctx, "GL_ARB_vertex_buffer_object"); -#if 1 - /* not just yet */ - _mesa_enable_extension(ctx, "GL_ARB_vertex_program"); - _mesa_enable_extension(ctx, "GL_NV_vertex_program"); - _mesa_enable_extension(ctx, "GL_NV_vertex_program1_1"); - _mesa_enable_extension(ctx, "GL_MESA_program_debug"); + /* dangerous */ + if (getenv("MESA_FX_ALLOW_VP")) { + _mesa_enable_extension(ctx, "GL_ARB_vertex_program"); + _mesa_enable_extension(ctx, "GL_NV_vertex_program"); + _mesa_enable_extension(ctx, "GL_NV_vertex_program1_1"); + _mesa_enable_extension(ctx, "GL_MESA_program_debug"); + } +#if 0 + /* this requires _tnl_vertex_cull_stage in the pipeline */ + _mesa_enable_extension(ctx, "EXT_cull_vertex"); #endif } @@ -2051,7 +2062,8 @@ fx_check_IsInHardware(GLcontext * ctx) } #endif - if ((ctx->Texture.Unit[0].EnvMode != ctx->Texture.Unit[1].EnvMode) && + if (!fxMesa->HaveCmbExt && + (ctx->Texture.Unit[0].EnvMode != ctx->Texture.Unit[1].EnvMode) && (ctx->Texture.Unit[0].EnvMode != GL_MODULATE) && (ctx->Texture.Unit[0].EnvMode != GL_REPLACE)) { /* q2, seems ok... */ if (TDFX_DEBUG & VERBOSE_DRIVER) |