From: Patrice Mandin Date: Sat, 6 Oct 2007 00:30:24 +0000 (+0200) Subject: nouveau: move nv10 clear command, for usage by other gpu X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d85e8b088bda9a118494dd86464c4a495475e407;p=mesa.git nouveau: move nv10 clear command, for usage by other gpu --- diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.c b/src/mesa/drivers/dri/nouveau/nouveau_context.c index f36483a3d49..a8569a9f153 100644 --- a/src/mesa/drivers/dri/nouveau/nouveau_context.c +++ b/src/mesa/drivers/dri/nouveau/nouveau_context.c @@ -378,3 +378,39 @@ void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv, { } +void nouveauClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer, + int fill, int mask) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + int dimensions; + + if (!buffer) { + return; + } + + /* FIXME: only support 32 bits atm */ + + /* Surface that we will work on */ + nouveauObjectOnSubchannel(nmesa, NvSubCtxSurf2D, NvCtxSurf2D); + + BEGIN_RING_SIZE(NvSubCtxSurf2D, NV10_CONTEXT_SURFACES_2D_FORMAT, 4); + OUT_RING(0x0b); /* Y32 color format */ + OUT_RING((buffer->pitch<<16)|buffer->pitch); + OUT_RING(buffer->offset); + OUT_RING(buffer->offset); + + /* Now clear a rectangle */ + dimensions = ((buffer->mesa.Height)<<16) | (buffer->mesa.Width); + + nouveauObjectOnSubchannel(nmesa, NvSubGdiRectText, NvGdiRectText); + + BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_OPERATION, 1); + OUT_RING(3); /* SRCCOPY */ + + BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_BLOCK_LEVEL1_TL, 5); + OUT_RING(0); /* top left */ + OUT_RING(dimensions); /* bottom right */ + OUT_RING(fill); + OUT_RING(0); /* top left */ + OUT_RING(dimensions); /* bottom right */ +} diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.h b/src/mesa/drivers/dri/nouveau/nouveau_context.h index 77fe13a9cdc..9aff0ee668b 100644 --- a/src/mesa/drivers/dri/nouveau/nouveau_context.h +++ b/src/mesa/drivers/dri/nouveau/nouveau_context.h @@ -133,9 +133,6 @@ typedef struct nouveau_context { nouveau_renderbuffer_t *color_buffer; nouveau_renderbuffer_t *depth_buffer; - /* Color buffer clear value */ - uint32_t clear_color_value; - /* Depth/stencil clear value */ uint32_t clear_value; @@ -234,6 +231,9 @@ extern void nouveauSwapBuffers(__DRIdrawablePrivate *dPriv); extern void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv, int x, int y, int w, int h); +extern void nouveauClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer, + int fill, int mask); + /* Debugging utils: */ extern int NOUVEAU_DEBUG; diff --git a/src/mesa/drivers/dri/nouveau/nouveau_driver.c b/src/mesa/drivers/dri/nouveau/nouveau_driver.c index 4851c668356..8b76779002b 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, @@ -135,7 +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<pitch<<16)|buffer->pitch); - OUT_RING(buffer->offset); - OUT_RING(buffer->offset); - - /* Now clear a rectangle */ - dimensions = ((buffer->mesa.Height)<<16) | (buffer->mesa.Width); - - nouveauObjectOnSubchannel(nmesa, NvSubGdiRectText, NvGdiRectText); - - BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_OPERATION, 1); - OUT_RING(3); /* SRCCOPY */ - - BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_BLOCK_LEVEL1_TL, 5); - OUT_RING(0); /* top left */ - OUT_RING(dimensions); /* bottom right */ - OUT_RING(fill); - OUT_RING(0); /* top left */ - OUT_RING(dimensions); /* bottom right */ -} - -static void nv10Clear(GLcontext *ctx, GLbitfield mask) -{ - nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - - if (mask & (BUFFER_BIT_FRONT_LEFT|BUFFER_BIT_BACK_LEFT)) { - nv10ClearBuffer(ctx, nmesa->color_buffer, - nmesa->clear_color_value, 0xffffffff); - } - /* FIXME: check depth bits */ - if (mask & (BUFFER_BIT_DEPTH)) { - nv10ClearBuffer(ctx, nmesa->depth_buffer, - nmesa->clear_value, 0xffffff00); - } - /* FIXME: check about stencil? */ - if (mask & (BUFFER_BIT_STENCIL)) { - nv10ClearBuffer(ctx, nmesa->depth_buffer, - nmesa->clear_value, 0x000000ff); - } -} - static void nv10ClearColor(GLcontext *ctx, const GLfloat color[4]) { - nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - GLubyte c[4]; - UNCLAMPED_FLOAT_TO_RGBA_CHAN(c,color); - nmesa->clear_color_value = PACK_COLOR_8888(c[3],c[0],c[1],c[2]); + /* Not for NV10 */ } static void nv10ClearDepth(GLcontext *ctx, GLclampd d) { - nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - -/* switch (ctx->DrawBuffer->_DepthBuffer->DepthBits) { - case 16: - nmesa->clear_value = (uint32_t)(d*0x7FFF); - break; - case 24:*/ - nmesa->clear_value = ((nmesa->clear_value&0x000000FF) | - (((uint32_t)(d*0xFFFFFF))<<8)); -/* break; - }*/ + /* Not for NV10 */ } static void nv10ClearStencil(GLcontext *ctx, GLint s) { - nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); - -/* if (ctx->DrawBuffer->_DepthBuffer->DepthBits == 24) {*/ - nmesa->clear_value = ((nmesa->clear_value&0xFFFFFF00)| - (s&0x000000FF)); -/* }*/ + /* Not for NV10 */ } static void nv10ClipPlane(GLcontext *ctx, GLenum plane, const GLfloat *equation) @@ -1037,10 +965,10 @@ void nv10InitStateFuncs(GLcontext *ctx, struct dd_function_table *func) func->BlendColor = nv10BlendColor; func->BlendEquationSeparate = nv10BlendEquationSeparate; func->BlendFuncSeparate = nv10BlendFuncSeparate; - func->Clear = nv10Clear; - func->ClearColor = nv10ClearColor; - func->ClearDepth = nv10ClearDepth; - func->ClearStencil = nv10ClearStencil; +/* func->Clear = nv10Clear;*/ /* Not for NV10 */ + func->ClearColor = nv10ClearColor; /* Not for NV10 */ + func->ClearDepth = nv10ClearDepth; /* Not for NV10 */ + func->ClearStencil = nv10ClearStencil; /* Not for NV10 */ func->ClipPlane = nv10ClipPlane; func->ColorMask = nv10ColorMask; func->ColorMaterial = nv10ColorMaterial;