diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/unichrome/via_context.h | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/unichrome/via_state.c | 109 |
2 files changed, 56 insertions, 55 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_context.h b/src/mesa/drivers/dri/unichrome/via_context.h index c1de1df8a95..2ef4884698d 100644 --- a/src/mesa/drivers/dri/unichrome/via_context.h +++ b/src/mesa/drivers/dri/unichrome/via_context.h @@ -63,7 +63,7 @@ enum VIACHIPTAGS { #define VIA_FALLBACK_BLEND_FUNC 0x400 #define VIA_FALLBACK_USER_DISABLE 0x800 #define VIA_FALLBACK_PROJ_TEXTURE 0x1000 -#define VIA_FALLBACK_STIPPLE 0x2000 +#define VIA_FALLBACK_POLY_STIPPLE 0x2000 #define VIA_DMA_BUFSIZ 4096 #define VIA_DMA_HIGHWATER (VIA_DMA_BUFSIZ - 128) diff --git a/src/mesa/drivers/dri/unichrome/via_state.c b/src/mesa/drivers/dri/unichrome/via_state.c index a092e4acfd9..ba6c9932d36 100644 --- a/src/mesa/drivers/dri/unichrome/via_state.c +++ b/src/mesa/drivers/dri/unichrome/via_state.c @@ -463,6 +463,7 @@ void viaEmitState(struct via_context *vmesa) for (j = 0; j < table->Size; j++) { OUT_RING( tableF[j] ); } + ADVANCE_RING(); } @@ -470,52 +471,42 @@ void viaEmitState(struct via_context *vmesa) } } +#if 0 + /* Polygon stipple is broken - for certain stipple values, + * eg. 0xf0f0f0f0, the hardware will refuse to accept the stipple. + * Coincidentally, conform generates just such a stipple. + */ if (ctx->Polygon.StippleFlag) { GLuint *stipple = &ctx->PolygonStipple[0]; + GLint i; BEGIN_RING(38); OUT_RING( HC_HEADER2 ); + OUT_RING( ((HC_ParaType_Palette << 16) | (HC_SubType_Stipple << 24)) ); - OUT_RING( stipple[31] ); - OUT_RING( stipple[30] ); - OUT_RING( stipple[29] ); - OUT_RING( stipple[28] ); - OUT_RING( stipple[27] ); - OUT_RING( stipple[26] ); - OUT_RING( stipple[25] ); - OUT_RING( stipple[24] ); - OUT_RING( stipple[23] ); - OUT_RING( stipple[22] ); - OUT_RING( stipple[21] ); - OUT_RING( stipple[20] ); - OUT_RING( stipple[19] ); - OUT_RING( stipple[18] ); - OUT_RING( stipple[17] ); - OUT_RING( stipple[16] ); - OUT_RING( stipple[15] ); - OUT_RING( stipple[14] ); - OUT_RING( stipple[13] ); - OUT_RING( stipple[12] ); - OUT_RING( stipple[11] ); - OUT_RING( stipple[10] ); - OUT_RING( stipple[9] ); - OUT_RING( stipple[8] ); - OUT_RING( stipple[7] ); - OUT_RING( stipple[6] ); - OUT_RING( stipple[5] ); - OUT_RING( stipple[4] ); - OUT_RING( stipple[3] ); - OUT_RING( stipple[2] ); - OUT_RING( stipple[1] ); - OUT_RING( stipple[0] ); + for (i = 31; i >= 0; i--) { + GLint j; + GLuint k = 0; + + /* Need to flip bits left to right: + */ + for (j = 0 ; j < 32; j++) + if (stipple[i] & (1<<j)) + k |= 1 << (31-j); + + OUT_RING( k ); + } + OUT_RING( HC_HEADER2 ); OUT_RING( (HC_ParaType_NotTex << 16) ); OUT_RING( (HC_SubA_HSPXYOS << 24) | - (((31 - vmesa->drawX) & 0x1f) << HC_HSPXOS_SHIFT)); + (((32- vmesa->drawXoff) & 0x1f) << HC_HSPXOS_SHIFT)); OUT_RING( (HC_SubA_HSPXYOS << 24) | - (((31 - vmesa->drawX) & 0x1f) << HC_HSPXOS_SHIFT)); + (((32 - vmesa->drawXoff) & 0x1f) << HC_HSPXOS_SHIFT)); + ADVANCE_RING(); } +#endif vmesa->newEmitState = 0; } @@ -658,29 +649,32 @@ static void viaRenderMode(GLcontext *ctx, GLenum mode) static void viaDrawBuffer(GLcontext *ctx, GLenum mode) { - struct via_context *vmesa = VIA_CONTEXT(ctx); + struct via_context *vmesa = VIA_CONTEXT(ctx); - if (VIA_DEBUG & (DEBUG_DRI|DEBUG_STATE)) - fprintf(stderr, "%s in\n", __FUNCTION__); + if (VIA_DEBUG & (DEBUG_DRI|DEBUG_STATE)) + fprintf(stderr, "%s in\n", __FUNCTION__); + + if (!ctx->DrawBuffer) + return; + + switch ( ctx->DrawBuffer->_ColorDrawBufferMask[0] ) { + case BUFFER_BIT_FRONT_LEFT: + VIA_FLUSH_DMA(vmesa); + vmesa->drawBuffer = vmesa->readBuffer = &vmesa->front; + FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); + break; + case BUFFER_BIT_BACK_LEFT: + VIA_FLUSH_DMA(vmesa); + vmesa->drawBuffer = vmesa->readBuffer = &vmesa->back; + FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); + break; + default: + FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_TRUE); + return; + } - if (mode == GL_FRONT) { - VIA_FLUSH_DMA(vmesa); - vmesa->drawBuffer = vmesa->readBuffer = &vmesa->front; - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); - return; - } - else if (mode == GL_BACK) { - VIA_FLUSH_DMA(vmesa); - vmesa->drawBuffer = vmesa->readBuffer = &vmesa->back; - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_FALSE); - return; - } - else { - FALLBACK(vmesa, VIA_FALLBACK_DRAW_BUFFER, GL_TRUE); - return; - } - viaXMesaWindowMoved(vmesa); + viaXMesaWindowMoved(vmesa); /* We want to update the s/w rast state too so that viaSetBuffer() * gets called. @@ -1328,12 +1322,19 @@ static void viaChoosePolygonState(GLcontext *ctx) { struct via_context *vmesa = VIA_CONTEXT(ctx); +#if 0 + /* Polygon stipple is broken - see via_state.c + */ if (ctx->Polygon.StippleFlag) { vmesa->regEnable |= HC_HenSP_MASK; } else { vmesa->regEnable &= ~HC_HenSP_MASK; } +#else + FALLBACK(vmesa, VIA_FALLBACK_POLY_STIPPLE, + ctx->Polygon.StippleFlag); +#endif if (ctx->Polygon.CullFlag) { vmesa->regEnable |= HC_HenFBCull_MASK; |