r600g: Initial import

1 files changed, 241 insertions, 0 deletions

diff --git a/src/gallium/drivers/r600/r600_screen.c b/src/gallium/drivers/r600/r600_screen.c
new file mode 100644
index 0000000000..db17b88e9a
--- /dev/null
+++ b/src/gallium/drivers/r600/r600_screen.c
@@ -0,0 +1,241 @@
+/*
+ * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR 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.
+ *
+ * Authors:
+ *      Jerome Glisse
+ *      Corbin Simpson
+ */
+#include <util/u_inlines.h>
+#include <util/u_format.h>
+#include <util/u_memory.h>
+#include "r600_screen.h"
+#include "r600_texture.h"
+#include "r600_context.h"
+
+static const char* r600_get_vendor(struct pipe_screen* pscreen)
+{
+	return "X.Org";
+}
+
+static const char* r600_get_name(struct pipe_screen* pscreen)
+{
+	return "R600";
+}
+
+static int r600_get_param(struct pipe_screen* pscreen, int param)
+{
+	switch (param) {
+	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
+		return 16;
+	case PIPE_CAP_NPOT_TEXTURES:
+		return 1;
+	case PIPE_CAP_TWO_SIDED_STENCIL:
+		return 1;
+	case PIPE_CAP_GLSL:
+		return 1;
+	case PIPE_CAP_DUAL_SOURCE_BLEND:
+		return 1;
+	case PIPE_CAP_ANISOTROPIC_FILTER:
+		return 1;
+	case PIPE_CAP_POINT_SPRITE:
+		return 1;
+	case PIPE_CAP_MAX_RENDER_TARGETS:
+		/* FIXME some r6xx are buggy and can only do 4 */
+		return 8;
+	case PIPE_CAP_OCCLUSION_QUERY:
+		return 1;
+	case PIPE_CAP_TEXTURE_SHADOW_MAP:
+		return 1;
+	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+		/* FIXME not sure here */
+		return 13;
+	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
+		return 1;
+	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
+		return 1;
+	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
+		/* FIXME allow this once infrastructure is there */
+		return 0;
+	case PIPE_CAP_TGSI_CONT_SUPPORTED:
+		return 0;
+	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
+		return 1;
+	case PIPE_CAP_SM3:
+		return 1;
+	case PIPE_CAP_INDEP_BLEND_ENABLE:
+		return 1;
+	case PIPE_CAP_INDEP_BLEND_FUNC:
+		/* FIXME allow this */
+		return 0;
+	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
+	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
+		return 1;
+	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
+	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
+		return 0;
+	default:
+		debug_printf("r600: unknown param %d\n", param);
+		return 0;
+	}
+}
+
+static float r600_get_paramf(struct pipe_screen* pscreen, int param)
+{
+	switch (param) {
+	case PIPE_CAP_MAX_LINE_WIDTH:
+	case PIPE_CAP_MAX_LINE_WIDTH_AA:
+	case PIPE_CAP_MAX_POINT_WIDTH:
+	case PIPE_CAP_MAX_POINT_WIDTH_AA:
+		return 8192.0f;
+	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+		return 16.0f;
+	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+		return 16.0f;
+	default:
+		debug_printf("r600: unsupported paramf %d\n", param);
+		return 0.0f;
+	}
+}
+
+static boolean r600_is_format_supported(struct pipe_screen* screen,
+					enum pipe_format format,
+					enum pipe_texture_target target,
+					unsigned usage,
+					unsigned geom_flags)
+{
+	if (target >= PIPE_MAX_TEXTURE_TYPES) {
+		debug_printf("r600: unsupported texture type %d\n", target);
+		return FALSE;
+	}
+	switch (format) {
+	case PIPE_FORMAT_A4R4G4B4_UNORM:
+	case PIPE_FORMAT_R5G6B5_UNORM:
+	case PIPE_FORMAT_A1R5G5B5_UNORM:
+	case PIPE_FORMAT_A8_UNORM:
+	case PIPE_FORMAT_L8_UNORM:
+	case PIPE_FORMAT_A8R8G8B8_SRGB:
+	case PIPE_FORMAT_R8G8B8A8_SRGB:
+	case PIPE_FORMAT_DXT1_RGB:
+	case PIPE_FORMAT_DXT1_RGBA:
+	case PIPE_FORMAT_DXT3_RGBA:
+	case PIPE_FORMAT_DXT5_RGBA:
+	case PIPE_FORMAT_YCBCR:
+	case PIPE_FORMAT_L8_SRGB:
+	case PIPE_FORMAT_A8L8_SRGB:
+	case PIPE_FORMAT_A8L8_UNORM:
+	case PIPE_FORMAT_A8R8G8B8_UNORM:
+	case PIPE_FORMAT_X8R8G8B8_UNORM:
+	case PIPE_FORMAT_R8G8B8A8_UNORM:
+	case PIPE_FORMAT_R8G8B8X8_UNORM:
+	case PIPE_FORMAT_I8_UNORM:
+	case PIPE_FORMAT_Z16_UNORM:
+	case PIPE_FORMAT_Z24X8_UNORM:
+	case PIPE_FORMAT_Z24S8_UNORM:
+	case PIPE_FORMAT_Z32_UNORM:
+	case PIPE_FORMAT_S8Z24_UNORM:
+	case PIPE_FORMAT_X8Z24_UNORM:
+		return TRUE;
+	default:
+		/* Unknown format... */
+		break;
+	}
+	return FALSE;
+}
+
+static struct pipe_transfer* r600_get_tex_transfer(struct pipe_screen *screen,
+						struct pipe_texture *texture,
+						unsigned face, unsigned level,
+						unsigned zslice,
+						enum pipe_transfer_usage usage,
+						unsigned x, unsigned y,
+						unsigned w, unsigned h)
+{
+	struct r600_texture *rtex = (struct r600_texture*)texture;
+	struct r600_transfer *trans;
+
+	trans = CALLOC_STRUCT(r600_transfer);
+	if (trans == NULL)
+		return NULL;
+	pipe_texture_reference(&trans->transfer.texture, texture);
+	trans->transfer.x = x;
+	trans->transfer.y = y;
+	trans->transfer.width = w;
+	trans->transfer.height = h;
+	trans->transfer.stride = rtex->stride[level];
+	trans->transfer.usage = usage;
+	trans->transfer.zslice = zslice;
+	trans->transfer.face = face;
+	trans->offset = r600_texture_get_offset(rtex, level, zslice, face);
+	return &trans->transfer;
+}
+
+static void r600_tex_transfer_destroy(struct pipe_transfer *trans)
+{
+}
+
+static void* r600_transfer_map(struct pipe_screen* screen, struct pipe_transfer* transfer)
+{
+	/* FIXME implement */
+	return NULL;
+}
+
+static void r600_transfer_unmap(struct pipe_screen* screen, struct pipe_transfer* transfer)
+{
+}
+
+static void r600_destroy_screen(struct pipe_screen* pscreen)
+{
+	struct r600_screen* rscreen = r600_screen(pscreen);
+
+	if (rscreen == NULL)
+		return;
+	FREE(rscreen);
+}
+
+struct pipe_screen *radeon_create_screen(struct radeon *rw)
+{
+	struct r600_screen* rscreen;
+
+	rscreen = CALLOC_STRUCT(r600_screen);
+	if (rscreen == NULL) {
+		return NULL;
+	}
+	rscreen->rw = rw;
+	rscreen->screen.winsys = (struct pipe_winsys*)rw;
+	rscreen->screen.destroy = r600_destroy_screen;
+	rscreen->screen.get_name = r600_get_name;
+	rscreen->screen.get_vendor = r600_get_vendor;
+	rscreen->screen.get_param = r600_get_param;
+	rscreen->screen.get_paramf = r600_get_paramf;
+	rscreen->screen.is_format_supported = r600_is_format_supported;
+	rscreen->screen.context_create = r600_create_context;
+	rscreen->screen.get_tex_transfer = r600_get_tex_transfer;
+	rscreen->screen.tex_transfer_destroy = r600_tex_transfer_destroy;
+	rscreen->screen.transfer_map = r600_transfer_map;
+	rscreen->screen.transfer_unmap = r600_transfer_unmap;
+	r600_screen_init_buffer_functions(&rscreen->screen);
+	r600_init_screen_texture_functions(&rscreen->screen);
+	return &rscreen->screen;
+}