src/mesa/drivers/dri/nouveau/nv04_context.c - platform/external/mesa3d - Git at Google

 /*
  * Copyright (C) 2009-2010 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_util.h"
 #include "nv04_3d.xml.h"
 #include "nv04_driver.h"

 static GLboolean
 texunit_needs_combiners(struct gl_texture_unit *u)
 {
 	struct gl_texture_object *t = u->_Current;
 	struct gl_texture_image *ti = t->Image[0][t->BaseLevel];

 	return ti->TexFormat == MESA_FORMAT_A_UNORM8 ||
 		ti->TexFormat == MESA_FORMAT_L_UNORM8 ||
 		u->EnvMode == GL_COMBINE ||
 		u->EnvMode == GL_COMBINE4_NV ||
 		u->EnvMode == GL_BLEND ||
 		u->EnvMode == GL_ADD;
 }

 struct nouveau_object *
 nv04_context_engine(struct gl_context *ctx)
 {
 	struct nv04_context *nctx = to_nv04_context(ctx);
 	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
 	struct nouveau_pushbuf *push = context_push(ctx);
 	struct nouveau_object *fahrenheit;

 	if ((ctx->Texture.Unit[0]._Current &&
 	     texunit_needs_combiners(&ctx->Texture.Unit[0])) ||
 	    ctx->Texture.Unit[1]._Current ||
 	    ctx->Stencil.Enabled ||
 	    !(ctx->Color.ColorMask[0][RCOMP] &&
 	      ctx->Color.ColorMask[0][GCOMP] &&
 	      ctx->Color.ColorMask[0][BCOMP] &&
 	      ctx->Color.ColorMask[0][ACOMP]))
 		fahrenheit = hw->eng3dm;
 	else
 		fahrenheit = hw->eng3d;

 	if (fahrenheit != nctx->eng3d) {
 		BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
 		PUSH_DATA (push, fahrenheit->handle);
 		nctx->eng3d = fahrenheit;
 	}

 	return fahrenheit;
 }

 static void
 nv04_hwctx_init(struct gl_context *ctx)
 {
 	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
 	struct nouveau_pushbuf *push = context_push(ctx);
 	struct nv04_fifo *fifo = hw->chan->data;

 	BEGIN_NV04(push, NV01_SUBC(SURF, OBJECT), 1);
 	PUSH_DATA (push, hw->surf3d->handle);
 	BEGIN_NV04(push, NV04_SF3D(DMA_NOTIFY), 3);
 	PUSH_DATA (push, hw->ntfy->handle);
 	PUSH_DATA (push, fifo->vram);
 	PUSH_DATA (push, fifo->vram);

 	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
 	PUSH_DATA (push, hw->eng3d->handle);
 	BEGIN_NV04(push, NV04_TTRI(DMA_NOTIFY), 4);
 	PUSH_DATA (push, hw->ntfy->handle);
 	PUSH_DATA (push, fifo->vram);
 	PUSH_DATA (push, fifo->gart);
 	PUSH_DATA (push, hw->surf3d->handle);

 	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
 	PUSH_DATA (push, hw->eng3dm->handle);
 	BEGIN_NV04(push, NV04_MTRI(DMA_NOTIFY), 4);
 	PUSH_DATA (push, hw->ntfy->handle);
 	PUSH_DATA (push, fifo->vram);
 	PUSH_DATA (push, fifo->gart);
 	PUSH_DATA (push, hw->surf3d->handle);

 	PUSH_KICK (push);
 }

 static void
 init_dummy_texture(struct gl_context *ctx)
 {
 	struct nouveau_surface *s = &to_nv04_context(ctx)->dummy_texture;

 	nouveau_surface_alloc(ctx, s, SWIZZLED,
 			      NOUVEAU_BO_MAP | NOUVEAU_BO_VRAM,
 			      MESA_FORMAT_B8G8R8A8_UNORM, 1, 1);

 	nouveau_bo_map(s->bo, NOUVEAU_BO_WR, context_client(ctx));
 	*(uint32_t *)s->bo->map = 0xffffffff;
 }

 static void
 nv04_context_destroy(struct gl_context *ctx)
 {
 	struct nouveau_context *nctx = to_nouveau_context(ctx);

 	nv04_surface_takedown(ctx);
 	nv04_render_destroy(ctx);
 	nouveau_surface_ref(NULL, &to_nv04_context(ctx)->dummy_texture);

 	nouveau_object_del(&nctx->hw.eng3d);
 	nouveau_object_del(&nctx->hw.eng3dm);
 	nouveau_object_del(&nctx->hw.surf3d);

 	nouveau_context_deinit(ctx);
 	free(ctx);
 }

 static struct gl_context *
 nv04_context_create(struct nouveau_screen *screen, gl_api api,
 		    const struct gl_config *visual,
 		    struct gl_context *share_ctx)
 {
 	struct nv04_context *nctx;
 	struct nouveau_hw_state *hw;
 	struct gl_context *ctx;
 	int ret;

 	nctx = CALLOC_STRUCT(nv04_context);
 	if (!nctx)
 		return NULL;

 	ctx = &nctx->base.base;
 	hw = &nctx->base.hw;

 	if (!nouveau_context_init(ctx, api, screen, visual, share_ctx))
 		goto fail;

 	/* GL constants. */
 	ctx->Const.MaxTextureLevels = 11;
 	ctx->Const.MaxTextureCoordUnits = NV04_TEXTURE_UNITS;
 	ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = NV04_TEXTURE_UNITS;
 	ctx->Const.MaxTextureUnits = NV04_TEXTURE_UNITS;
 	ctx->Const.MaxTextureMaxAnisotropy = 2;
 	ctx->Const.MaxTextureLodBias = 15;

 	/* 2D engine. */
 	ret = nv04_surface_init(ctx);
 	if (!ret)
 		goto fail;

 	/* 3D engine. */
 	ret = nouveau_object_new(context_chan(ctx), 0xbeef0001,
 				 NV04_TEXTURED_TRIANGLE_CLASS, NULL, 0,
 				 &hw->eng3d);
 	if (ret)
 		goto fail;

 	ret = nouveau_object_new(context_chan(ctx), 0xbeef0002,
 				 NV04_MULTITEX_TRIANGLE_CLASS, NULL, 0,
 				 &hw->eng3dm);
 	if (ret)
 		goto fail;

 	ret = nouveau_object_new(context_chan(ctx), 0xbeef0003,
 				 NV04_SURFACE_3D_CLASS, NULL, 0,
 				 &hw->surf3d);
 	if (ret)
 		goto fail;

 	init_dummy_texture(ctx);
 	nv04_hwctx_init(ctx);
 	nv04_render_init(ctx);

 	return ctx;

 fail:
 	nv04_context_destroy(ctx);
 	return NULL;
 }

 const struct nouveau_driver nv04_driver = {
 	.context_create = nv04_context_create,
 	.context_destroy = nv04_context_destroy,
 	.surface_copy = nv04_surface_copy,
 	.surface_fill = nv04_surface_fill,
 	.emit = (nouveau_state_func[]) {
 		nv04_defer_control,
 		nouveau_emit_nothing,
 		nv04_defer_blend,
 		nv04_defer_blend,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nv04_defer_control,
 		nouveau_emit_nothing,
 		nv04_defer_control,
 		nouveau_emit_nothing,
 		nv04_defer_control,
 		nv04_defer_control,
 		nouveau_emit_nothing,
 		nv04_emit_framebuffer,
 		nv04_defer_blend,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nv04_emit_scissor,
 		nv04_defer_blend,
 		nv04_defer_control,
 		nv04_defer_control,
 		nv04_defer_control,
 		nv04_emit_tex_env,
 		nv04_emit_tex_env,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nv04_emit_tex_obj,
 		nv04_emit_tex_obj,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nouveau_emit_nothing,
 		nv04_emit_blend,
 		nv04_emit_control,
 	},
 	.num_emit = NUM_NV04_STATE,
 };
	/*
	* Copyright (C) 2009-2010 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_util.h"
	#include "nv04_3d.xml.h"
	#include "nv04_driver.h"

	static GLboolean
	texunit_needs_combiners(struct gl_texture_unit *u)
	{
	struct gl_texture_object *t = u->_Current;
	struct gl_texture_image *ti = t->Image[0][t->BaseLevel];

	return ti->TexFormat == MESA_FORMAT_A_UNORM8 \|\|
	ti->TexFormat == MESA_FORMAT_L_UNORM8 \|\|
	u->EnvMode == GL_COMBINE \|\|
	u->EnvMode == GL_COMBINE4_NV \|\|
	u->EnvMode == GL_BLEND \|\|
	u->EnvMode == GL_ADD;
	}

	struct nouveau_object *
	nv04_context_engine(struct gl_context *ctx)
	{
	struct nv04_context *nctx = to_nv04_context(ctx);
	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
	struct nouveau_pushbuf *push = context_push(ctx);
	struct nouveau_object *fahrenheit;

	if ((ctx->Texture.Unit[0]._Current &&
	texunit_needs_combiners(&ctx->Texture.Unit[0])) \|\|
	ctx->Texture.Unit[1]._Current \|\|
	ctx->Stencil.Enabled \|\|
	!(ctx->Color.ColorMask[0][RCOMP] &&
	ctx->Color.ColorMask[0][GCOMP] &&
	ctx->Color.ColorMask[0][BCOMP] &&
	ctx->Color.ColorMask[0][ACOMP]))
	fahrenheit = hw->eng3dm;
	else
	fahrenheit = hw->eng3d;

	if (fahrenheit != nctx->eng3d) {
	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
	PUSH_DATA (push, fahrenheit->handle);
	nctx->eng3d = fahrenheit;
	}

	return fahrenheit;
	}

	static void
	nv04_hwctx_init(struct gl_context *ctx)
	{
	struct nouveau_hw_state *hw = &to_nouveau_context(ctx)->hw;
	struct nouveau_pushbuf *push = context_push(ctx);
	struct nv04_fifo *fifo = hw->chan->data;

	BEGIN_NV04(push, NV01_SUBC(SURF, OBJECT), 1);
	PUSH_DATA (push, hw->surf3d->handle);
	BEGIN_NV04(push, NV04_SF3D(DMA_NOTIFY), 3);
	PUSH_DATA (push, hw->ntfy->handle);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->vram);

	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
	PUSH_DATA (push, hw->eng3d->handle);
	BEGIN_NV04(push, NV04_TTRI(DMA_NOTIFY), 4);
	PUSH_DATA (push, hw->ntfy->handle);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->gart);
	PUSH_DATA (push, hw->surf3d->handle);

	BEGIN_NV04(push, NV01_SUBC(3D, OBJECT), 1);
	PUSH_DATA (push, hw->eng3dm->handle);
	BEGIN_NV04(push, NV04_MTRI(DMA_NOTIFY), 4);
	PUSH_DATA (push, hw->ntfy->handle);
	PUSH_DATA (push, fifo->vram);
	PUSH_DATA (push, fifo->gart);
	PUSH_DATA (push, hw->surf3d->handle);

	PUSH_KICK (push);
	}

	static void
	init_dummy_texture(struct gl_context *ctx)
	{
	struct nouveau_surface *s = &to_nv04_context(ctx)->dummy_texture;

	nouveau_surface_alloc(ctx, s, SWIZZLED,
	NOUVEAU_BO_MAP \| NOUVEAU_BO_VRAM,
	MESA_FORMAT_B8G8R8A8_UNORM, 1, 1);

	nouveau_bo_map(s->bo, NOUVEAU_BO_WR, context_client(ctx));
	(uint32_t )s->bo->map = 0xffffffff;
	}

	static void
	nv04_context_destroy(struct gl_context *ctx)
	{
	struct nouveau_context *nctx = to_nouveau_context(ctx);

	nv04_surface_takedown(ctx);
	nv04_render_destroy(ctx);
	nouveau_surface_ref(NULL, &to_nv04_context(ctx)->dummy_texture);

	nouveau_object_del(&nctx->hw.eng3d);
	nouveau_object_del(&nctx->hw.eng3dm);
	nouveau_object_del(&nctx->hw.surf3d);

	nouveau_context_deinit(ctx);
	free(ctx);
	}

	static struct gl_context *
	nv04_context_create(struct nouveau_screen *screen, gl_api api,
	const struct gl_config *visual,
	struct gl_context *share_ctx)
	{
	struct nv04_context *nctx;
	struct nouveau_hw_state *hw;
	struct gl_context *ctx;
	int ret;

	nctx = CALLOC_STRUCT(nv04_context);
	if (!nctx)
	return NULL;

	ctx = &nctx->base.base;
	hw = &nctx->base.hw;

	if (!nouveau_context_init(ctx, api, screen, visual, share_ctx))
	goto fail;

	/* GL constants. */
	ctx->Const.MaxTextureLevels = 11;
	ctx->Const.MaxTextureCoordUnits = NV04_TEXTURE_UNITS;
	ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = NV04_TEXTURE_UNITS;
	ctx->Const.MaxTextureUnits = NV04_TEXTURE_UNITS;
	ctx->Const.MaxTextureMaxAnisotropy = 2;
	ctx->Const.MaxTextureLodBias = 15;

	/* 2D engine. */
	ret = nv04_surface_init(ctx);
	if (!ret)
	goto fail;

	/* 3D engine. */
	ret = nouveau_object_new(context_chan(ctx), 0xbeef0001,
	NV04_TEXTURED_TRIANGLE_CLASS, NULL, 0,
	&hw->eng3d);
	if (ret)
	goto fail;

	ret = nouveau_object_new(context_chan(ctx), 0xbeef0002,
	NV04_MULTITEX_TRIANGLE_CLASS, NULL, 0,
	&hw->eng3dm);
	if (ret)
	goto fail;

	ret = nouveau_object_new(context_chan(ctx), 0xbeef0003,
	NV04_SURFACE_3D_CLASS, NULL, 0,
	&hw->surf3d);
	if (ret)
	goto fail;

	init_dummy_texture(ctx);
	nv04_hwctx_init(ctx);
	nv04_render_init(ctx);

	return ctx;

	fail:
	nv04_context_destroy(ctx);
	return NULL;
	}

	const struct nouveau_driver nv04_driver = {
	.context_create = nv04_context_create,
	.context_destroy = nv04_context_destroy,
	.surface_copy = nv04_surface_copy,
	.surface_fill = nv04_surface_fill,
	.emit = (nouveau_state_func[]) {
	nv04_defer_control,
	nouveau_emit_nothing,
	nv04_defer_blend,
	nv04_defer_blend,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nv04_defer_control,
	nouveau_emit_nothing,
	nv04_defer_control,
	nouveau_emit_nothing,
	nv04_defer_control,
	nv04_defer_control,
	nouveau_emit_nothing,
	nv04_emit_framebuffer,
	nv04_defer_blend,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nv04_emit_scissor,
	nv04_defer_blend,
	nv04_defer_control,
	nv04_defer_control,
	nv04_defer_control,
	nv04_emit_tex_env,
	nv04_emit_tex_env,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nv04_emit_tex_obj,
	nv04_emit_tex_obj,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nouveau_emit_nothing,
	nv04_emit_blend,
	nv04_emit_control,
	},
	.num_emit = NUM_NV04_STATE,
	};