diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_span.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_span.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_span.c b/src/mesa/drivers/dri/nouveau/nouveau_span.c new file mode 100644 index 0000000000..dbbbf15b09 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_span.c @@ -0,0 +1,174 @@ +/* + * Copyright (C) 2009 Francisco Jerez. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "nouveau_driver.h" +#include "nouveau_fbo.h" +#include "nouveau_context.h" +#include "nouveau_bo.h" + +#include "swrast/swrast.h" + +#define LOCAL_VARS \ + struct gl_framebuffer *fb = ctx->DrawBuffer; \ + struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface; \ + GLuint p; \ + (void)p; + +#define LOCAL_DEPTH_VARS LOCAL_VARS + +#define HW_LOCK() +#define HW_UNLOCK() + +#define HW_CLIPLOOP() { \ + int minx = 0; \ + int miny = 0; \ + int maxx = fb->Width; \ + int maxy = fb->Height; + +#define HW_ENDCLIPLOOP() } + +#define Y_FLIP(y) (fb->Name ? (y) : rb->Height - 1 - (y)) + +/* RGB565 span functions */ +#define SPANTMP_PIXEL_FMT GL_RGB +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5 +#define TAG(x) nouveau_##x##_rgb565 +#define TAG2(x, y) nouveau_##x##_rgb565##y +#define GET_PTR(x, y) (s->bo->map + (y)*s->pitch + (x)*s->cpp) + +#include "spantmp2.h" + +/* ARGB8888 span functions */ +#define SPANTMP_PIXEL_FMT GL_BGRA +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV +#define TAG(x) nouveau_##x##_argb8888 +#define TAG2(x, y) nouveau_##x##_argb8888##y +#define GET_PTR(x, y) (s->bo->map + (y)*s->pitch + (x)*s->cpp) + +#include "spantmp2.h" + +/* Z16 span functions */ +#define VALUE_TYPE uint16_t +#define READ_DEPTH(v, x, y) \ + v = *(uint16_t *)(s->bo->map + (y)*s->pitch + (x)*s->cpp); +#define WRITE_DEPTH(x, y, v) \ + *(uint16_t *)(s->bo->map + (y)*s->pitch + (x)*s->cpp) = v +#define TAG(x) nouveau_##x##_z16 + +#include "depthtmp.h" + +/* Z24S8 span functions */ +#define VALUE_TYPE uint32_t +#define READ_DEPTH(v, x, y) \ + v = *(uint32_t *)(s->bo->map + (y)*s->pitch + (x)*s->cpp); +#define WRITE_DEPTH(x, y, v) \ + *(uint32_t *)(s->bo->map + (y)*s->pitch + (x)*s->cpp) = v +#define TAG(x) nouveau_##x##_z24s8 + +#include "depthtmp.h" + +static void +renderbuffer_map_unmap(struct gl_renderbuffer *rb, GLboolean map) +{ + struct nouveau_surface *s = &to_nouveau_renderbuffer(rb)->surface; + + if (map) { + switch (rb->Format) { + case MESA_FORMAT_RGB565: + nouveau_InitPointers_rgb565(rb); + break; + case MESA_FORMAT_XRGB8888: + case MESA_FORMAT_ARGB8888: + nouveau_InitPointers_argb8888(rb); + break; + case MESA_FORMAT_Z16: + nouveau_InitDepthPointers_z16(rb); + break; + case MESA_FORMAT_Z24_S8: + nouveau_InitDepthPointers_z24s8(rb); + break; + default: + assert(0); + } + + nouveau_bo_map(s->bo, NOUVEAU_BO_RDWR); + } else { + nouveau_bo_unmap(s->bo); + } +} + +static void +texture_unit_map_unmap(GLcontext *ctx, struct gl_texture_unit *u, GLboolean map) +{ + if (!u->_ReallyEnabled) + return; + + if (map) + ctx->Driver.MapTexture(ctx, u->_Current); + else + ctx->Driver.UnmapTexture(ctx, u->_Current); +} + +static void +span_map_unmap(GLcontext *ctx, GLboolean map) +{ + int i; + + for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) + renderbuffer_map_unmap(ctx->DrawBuffer->_ColorDrawBuffers[i], map); + + renderbuffer_map_unmap(ctx->DrawBuffer->_ColorReadBuffer, map); + + if (ctx->DrawBuffer->_DepthBuffer) + renderbuffer_map_unmap(ctx->DrawBuffer->_DepthBuffer->Wrapped, map); + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) + texture_unit_map_unmap(ctx, &ctx->Texture.Unit[i], map); +} + +static void +nouveau_span_start(GLcontext *ctx) +{ + nouveau_fallback(ctx, SWRAST); + span_map_unmap(ctx, GL_TRUE); +} + +static void +nouveau_span_finish(GLcontext *ctx) +{ + span_map_unmap(ctx, GL_FALSE); + nouveau_fallback(ctx, HWTNL); +} + +void +nouveau_span_functions_init(GLcontext *ctx) +{ + struct swrast_device_driver *swdd = + _swrast_GetDeviceDriverReference(ctx); + + swdd->SpanRenderStart = nouveau_span_start; + swdd->SpanRenderFinish = nouveau_span_finish; +} |