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path: root/src/gallium/drivers/nv30/nv30_state_fb.c
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Diffstat (limited to 'src/gallium/drivers/nv30/nv30_state_fb.c')
-rw-r--r--src/gallium/drivers/nv30/nv30_state_fb.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_state_fb.c b/src/gallium/drivers/nv30/nv30_state_fb.c
new file mode 100644
index 0000000000..d93e2bb5c8
--- /dev/null
+++ b/src/gallium/drivers/nv30/nv30_state_fb.c
@@ -0,0 +1,128 @@
+#include "nv30_context.h"
+
+static boolean
+nv30_state_framebuffer_validate(struct nv30_context *nv30)
+{
+ struct pipe_framebuffer_state *fb = &nv30->framebuffer;
+ struct pipe_surface *rt[2], *zeta = NULL;
+ uint32_t rt_enable, rt_format;
+ int i, colour_format = 0, zeta_format = 0;
+ struct nouveau_stateobj *so = so_new(64, 10);
+ unsigned rt_flags = NOUVEAU_BO_RDWR | NOUVEAU_BO_VRAM;
+ unsigned w = fb->width;
+ unsigned h = fb->height;
+
+ rt_enable = 0;
+ for (i = 0; i < fb->num_cbufs; i++) {
+ if (colour_format) {
+ assert(colour_format == fb->cbufs[i]->format);
+ } else {
+ colour_format = fb->cbufs[i]->format;
+ rt_enable |= (NV34TCL_RT_ENABLE_COLOR0 << i);
+ rt[i] = fb->cbufs[i];
+ }
+ }
+
+ if (rt_enable & NV34TCL_RT_ENABLE_COLOR1)
+ rt_enable |= NV34TCL_RT_ENABLE_MRT;
+
+ if (fb->zsbuf) {
+ zeta_format = fb->zsbuf->format;
+ zeta = fb->zsbuf;
+ }
+
+ rt_format = NV34TCL_RT_FORMAT_TYPE_LINEAR;
+
+ switch (colour_format) {
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case 0:
+ rt_format |= NV34TCL_RT_FORMAT_COLOR_A8R8G8B8;
+ break;
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ rt_format |= NV34TCL_RT_FORMAT_COLOR_R5G6B5;
+ break;
+ default:
+ assert(0);
+ }
+
+ switch (zeta_format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ rt_format |= NV34TCL_RT_FORMAT_ZETA_Z16;
+ break;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ case 0:
+ rt_format |= NV34TCL_RT_FORMAT_ZETA_Z24S8;
+ break;
+ default:
+ assert(0);
+ }
+
+ if (rt_enable & NV34TCL_RT_ENABLE_COLOR0) {
+ uint32_t pitch = rt[0]->stride;
+ if (zeta) {
+ pitch |= (zeta->stride << 16);
+ } else {
+ pitch |= (pitch << 16);
+ }
+
+ so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR0, 1);
+ so_reloc (so, rt[0]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+ nv30->nvws->channel->vram->handle,
+ nv30->nvws->channel->gart->handle);
+ so_method(so, nv30->screen->rankine, NV34TCL_COLOR0_PITCH, 2);
+ so_data (so, pitch);
+ so_reloc (so, rt[0]->buffer, rt[0]->offset, rt_flags |
+ NOUVEAU_BO_LOW, 0, 0);
+ }
+
+ if (rt_enable & NV34TCL_RT_ENABLE_COLOR1) {
+ so_method(so, nv30->screen->rankine, NV34TCL_DMA_COLOR1, 1);
+ so_reloc (so, rt[1]->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+ nv30->nvws->channel->vram->handle,
+ nv30->nvws->channel->gart->handle);
+ so_method(so, nv30->screen->rankine, NV34TCL_COLOR1_OFFSET, 2);
+ so_reloc (so, rt[1]->buffer, rt[1]->offset, rt_flags |
+ NOUVEAU_BO_LOW, 0, 0);
+ so_data (so, rt[1]->stride);
+ }
+
+ if (zeta_format) {
+ so_method(so, nv30->screen->rankine, NV34TCL_DMA_ZETA, 1);
+ so_reloc (so, zeta->buffer, 0, rt_flags | NOUVEAU_BO_OR,
+ nv30->nvws->channel->vram->handle,
+ nv30->nvws->channel->gart->handle);
+ so_method(so, nv30->screen->rankine, NV34TCL_ZETA_OFFSET, 1);
+ so_reloc (so, zeta->buffer, zeta->offset, rt_flags |
+ NOUVEAU_BO_LOW, 0, 0);
+ /* TODO: allocate LMA depth buffer */
+ }
+
+ so_method(so, nv30->screen->rankine, NV34TCL_RT_ENABLE, 1);
+ so_data (so, rt_enable);
+ so_method(so, nv30->screen->rankine, NV34TCL_RT_HORIZ, 3);
+ so_data (so, (w << 16) | 0);
+ so_data (so, (h << 16) | 0);
+ so_data (so, rt_format);
+ so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_HORIZ, 2);
+ so_data (so, (w << 16) | 0);
+ so_data (so, (h << 16) | 0);
+ so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_CLIP_HORIZ(0), 2);
+ so_data (so, ((w - 1) << 16) | 0);
+ so_data (so, ((h - 1) << 16) | 0);
+ so_method(so, nv30->screen->rankine, 0x1d88, 1);
+ so_data (so, (1 << 12) | h);
+ /* Wonder why this is needed, context should all be set to zero on init */
+ so_method(so, nv30->screen->rankine, NV34TCL_VIEWPORT_TX_ORIGIN, 1);
+ so_data (so, 0);
+
+ so_ref(so, &nv30->state.hw[NV30_STATE_FB]);
+ return TRUE;
+}
+
+struct nv30_state_entry nv30_state_framebuffer = {
+ .validate = nv30_state_framebuffer_validate,
+ .dirty = {
+ .pipe = NV30_NEW_FB,
+ .hw = NV30_STATE_FB
+ }
+};