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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv10_state_fb.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nv10_state_fb.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state_fb.c b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c
new file mode 100644
index 0000000000..05c36b4f8f
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nv10_state_fb.c
@@ -0,0 +1,190 @@
+/*
+ * 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_context.h"
+#include "nouveau_fbo.h"
+#include "nouveau_class.h"
+#include "nouveau_util.h"
+#include "nv10_driver.h"
+
+static inline unsigned
+get_rt_format(gl_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_XRGB8888:
+ return 0x05;
+ case MESA_FORMAT_ARGB8888:
+ return 0x08;
+ case MESA_FORMAT_RGB565:
+ return 0x03;
+ case MESA_FORMAT_Z16:
+ return 0x10;
+ case MESA_FORMAT_Z24_S8:
+ return 0x0;
+ default:
+ assert(0);
+ }
+}
+
+static void
+setup_lma_buffer(GLcontext *ctx)
+{
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *celsius = context_eng3d(ctx);
+ struct nouveau_bo_context *bctx = context_bctx(ctx, LMA_DEPTH);
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ struct nouveau_framebuffer *nfb = to_nouveau_framebuffer(fb);
+ unsigned pitch = align(fb->Width, 128),
+ height = align(fb->Height, 2),
+ size = pitch * height;
+
+ if (!nfb->lma_bo || nfb->lma_bo->size != size) {
+ nouveau_bo_ref(NULL, &nfb->lma_bo);
+ nouveau_bo_new(context_dev(ctx), NOUVEAU_BO_VRAM, 0, size,
+ &nfb->lma_bo);
+ }
+
+ nouveau_bo_markl(bctx, celsius, NV17TCL_LMA_DEPTH_BUFFER_OFFSET,
+ nfb->lma_bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR);
+
+ BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_WINDOW_X, 4);
+ OUT_RINGf(chan, - 1792);
+ OUT_RINGf(chan, - 2304 + fb->Height);
+ OUT_RINGf(chan, fb->_DepthMaxF / 2);
+ OUT_RINGf(chan, 0);
+
+ BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_BUFFER_PITCH, 1);
+ OUT_RING(chan, pitch);
+
+ BEGIN_RING(chan, celsius, NV17TCL_LMA_DEPTH_ENABLE, 1);
+ OUT_RING(chan, 1);
+}
+
+void
+nv10_emit_framebuffer(GLcontext *ctx, int emit)
+{
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *celsius = context_eng3d(ctx);
+ struct nouveau_bo_context *bctx = context_bctx(ctx, FRAMEBUFFER);
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ struct nouveau_surface *s;
+ unsigned rt_format = NV10TCL_RT_FORMAT_TYPE_LINEAR;
+ unsigned rt_pitch = 0, zeta_pitch = 0;
+ unsigned bo_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR;
+
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT)
+ return;
+
+ /* At least nv11 seems to get sad if we don't do this before
+ * swapping RTs.*/
+ if (context_chipset(ctx) < 0x17) {
+ int i;
+
+ for (i = 0; i < 6; i++) {
+ BEGIN_RING(chan, celsius, NV10TCL_NOP, 1);
+ OUT_RING(chan, 0);
+ }
+ }
+
+ /* Render target */
+ if (fb->_NumColorDrawBuffers) {
+ s = &to_nouveau_renderbuffer(
+ fb->_ColorDrawBuffers[0])->surface;
+
+ rt_format |= get_rt_format(s->format);
+ zeta_pitch = rt_pitch = s->pitch;
+
+ nouveau_bo_markl(bctx, celsius, NV10TCL_COLOR_OFFSET,
+ s->bo, 0, bo_flags);
+ }
+
+ /* depth/stencil */
+ if (fb->_DepthBuffer) {
+ s = &to_nouveau_renderbuffer(
+ fb->_DepthBuffer->Wrapped)->surface;
+
+ rt_format |= get_rt_format(s->format);
+ zeta_pitch = s->pitch;
+
+ nouveau_bo_markl(bctx, celsius, NV10TCL_ZETA_OFFSET,
+ s->bo, 0, bo_flags);
+
+ if (context_chipset(ctx) >= 0x17)
+ setup_lma_buffer(ctx);
+ }
+
+ BEGIN_RING(chan, celsius, NV10TCL_RT_FORMAT, 2);
+ OUT_RING(chan, rt_format);
+ OUT_RING(chan, zeta_pitch << 16 | rt_pitch);
+
+ context_dirty(ctx, VIEWPORT);
+ context_dirty(ctx, SCISSOR);
+}
+
+void
+nv10_emit_render_mode(GLcontext *ctx, int emit)
+{
+}
+
+void
+nv10_emit_scissor(GLcontext *ctx, int emit)
+{
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *celsius = context_eng3d(ctx);
+ int x, y, w, h;
+
+ get_scissors(ctx->DrawBuffer, &x, &y, &w, &h);
+
+ BEGIN_RING(chan, celsius, NV10TCL_RT_HORIZ, 2);
+ OUT_RING(chan, w << 16 | x);
+ OUT_RING(chan, h << 16 | y);
+}
+
+void
+nv10_emit_viewport(GLcontext *ctx, int emit)
+{
+ struct nouveau_channel *chan = context_chan(ctx);
+ struct nouveau_grobj *celsius = context_eng3d(ctx);
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ float a[4] = {};
+ int i;
+
+ get_viewport_translate(ctx, a);
+ a[0] -= 2048;
+ a[1] -= 2048;
+
+ BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_TRANSLATE_X, 4);
+ for (i = 0; i < 4; i++)
+ OUT_RINGf(chan, a[i]);
+
+ BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_HORIZ(0), 1);
+ OUT_RING(chan, (fb->Width - 1) << 16 | 0x08000800);
+ BEGIN_RING(chan, celsius, NV10TCL_VIEWPORT_CLIP_VERT(0), 1);
+ OUT_RING(chan, (fb->Height - 1) << 16 | 0x08000800);
+
+ context_dirty(ctx, PROJECTION);
+}