diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_driver.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_driver.c | 74 |
1 files changed, 73 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_driver.c b/src/mesa/drivers/dri/nouveau/nouveau_driver.c index ddc9535624..8b76779002 100644 --- a/src/mesa/drivers/dri/nouveau/nouveau_driver.c +++ b/src/mesa/drivers/dri/nouveau/nouveau_driver.c @@ -35,6 +35,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #include "framebuffer.h" #include "utils.h" +#include "colormac.h" /* Wrapper for DRM_NOUVEAU_GETPARAM ioctl */ GLboolean nouveauDRMGetParam(nouveauContextPtr nmesa, @@ -117,6 +118,9 @@ static const GLubyte *nouveauGetString( GLcontext *ctx, GLenum name ) static void nouveauFlush( GLcontext *ctx ) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + + if (ctx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT) + nouveauDoSwapBuffers(nmesa, nmesa->driDrawable); FIRE_RING(); } @@ -124,6 +128,7 @@ static void nouveauFlush( GLcontext *ctx ) static void nouveauFinish( GLcontext *ctx ) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + nouveauFlush( ctx ); nouveauWaitForIdle( nmesa ); } @@ -131,7 +136,74 @@ static void nouveauFinish( GLcontext *ctx ) /* glClear */ static void nouveauClear( GLcontext *ctx, GLbitfield mask ) { - // XXX we really should do something here... + uint32_t clear_value; + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + + /* FIXME: should we clear front buffer, even if asked to do it? */ + if (mask & (BUFFER_BIT_FRONT_LEFT|BUFFER_BIT_BACK_LEFT)) { + GLubyte c[4]; + int color_bits = 32; + int color_mask = 0xffffffff; + + UNCLAMPED_FLOAT_TO_RGBA_CHAN(c,ctx->Color.ClearColor); + clear_value = PACK_COLOR_8888(c[3],c[0],c[1],c[2]); + + if (ctx->DrawBuffer) { + /* FIXME: find correct color buffer, instead of [0][0] */ + if (ctx->DrawBuffer->_ColorDrawBuffers[0][0]) { + color_bits = ctx->DrawBuffer->_ColorDrawBuffers[0][0]->RedBits; + color_bits += ctx->DrawBuffer->_ColorDrawBuffers[0][0]->GreenBits; + color_bits += ctx->DrawBuffer->_ColorDrawBuffers[0][0]->BlueBits; + color_bits += ctx->DrawBuffer->_ColorDrawBuffers[0][0]->AlphaBits; + } + } + + if (color_bits<24) { + clear_value = PACK_COLOR_565(c[0],c[1],c[2]); + color_mask = 0xffff; + } + + nouveauClearBuffer(ctx, nmesa->color_buffer, + clear_value, color_mask); + } + + if (mask & (BUFFER_BIT_DEPTH)) { + int depth_bits = 24; + int depth_mask; + if (ctx->DrawBuffer) { + if (ctx->DrawBuffer->_DepthBuffer) { + depth_bits = ctx->DrawBuffer->_DepthBuffer->DepthBits; + } + } + + switch(depth_bits) { + case 16: + clear_value = (uint32_t) (ctx->Depth.Clear * 32767.0); + depth_mask = 0xffff; + break; + default: + clear_value = ((uint32_t) (ctx->Depth.Clear * 16777215.0)) << 8; + depth_mask = 0xffffff00; + break; + } + + nouveauClearBuffer(ctx, nmesa->depth_buffer, + clear_value, depth_mask); + } + + if (mask & (BUFFER_BIT_STENCIL)) { + int stencil_bits = 0; + if (ctx->DrawBuffer) { + if (ctx->DrawBuffer->_StencilBuffer) { + stencil_bits = ctx->DrawBuffer->_StencilBuffer->StencilBits; + } + } + + if (stencil_bits>0) { + nouveauClearBuffer(ctx, nmesa->depth_buffer, + ctx->Stencil.Clear, (1<<stencil_bits)-1); + } + } } void nouveauDriverInitFunctions( struct dd_function_table *functions ) |