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/*
* 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;
}
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