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Diffstat (limited to 'src/gallium/drivers/svga/svga_screen.c')
-rw-r--r--src/gallium/drivers/svga/svga_screen.c435
1 files changed, 435 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
new file mode 100644
index 0000000000..3afcaffff5
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -0,0 +1,435 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc. 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 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 AUTHORS OR COPYRIGHT HOLDERS
+ * 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 "util/u_memory.h"
+#include "pipe/p_inlines.h"
+#include "util/u_string.h"
+#include "util/u_math.h"
+
+#include "svga_winsys.h"
+#include "svga_context.h"
+#include "svga_screen.h"
+#include "svga_screen_texture.h"
+#include "svga_screen_buffer.h"
+#include "svga_cmd.h"
+#include "svga_debug.h"
+
+#include "svga_hw_reg.h"
+#include "svga3d_shaderdefs.h"
+
+
+#ifdef DEBUG
+int SVGA_DEBUG = 0;
+
+static const struct debug_named_value svga_debug_flags[] = {
+ { "dma", DEBUG_DMA },
+ { "tgsi", DEBUG_TGSI },
+ { "pipe", DEBUG_PIPE },
+ { "state", DEBUG_STATE },
+ { "screen", DEBUG_SCREEN },
+ { "tex", DEBUG_TEX },
+ { "swtnl", DEBUG_SWTNL },
+ { "const", DEBUG_CONSTS },
+ { "viewport", DEBUG_VIEWPORT },
+ { "views", DEBUG_VIEWS },
+ { "perf", DEBUG_PERF },
+ { "flush", DEBUG_FLUSH },
+ { "sync", DEBUG_SYNC },
+ {NULL, 0}
+};
+#endif
+
+static const char *
+svga_get_vendor( struct pipe_screen *pscreen )
+{
+ return "VMware, Inc.";
+}
+
+
+static const char *
+svga_get_name( struct pipe_screen *pscreen )
+{
+#ifdef DEBUG
+ /* Only return internal details in the DEBUG version:
+ */
+ return "SVGA3D; build: DEBUG; mutex: " PIPE_ATOMIC;
+#else
+ return "SVGA3D; build: RELEASE; ";
+#endif
+}
+
+
+
+
+static float
+svga_get_paramf(struct pipe_screen *screen, int param)
+{
+ struct svga_screen *svgascreen = svga_screen(screen);
+ struct svga_winsys_screen *sws = svgascreen->sws;
+ SVGA3dDevCapResult result;
+
+ switch (param) {
+ case PIPE_CAP_MAX_LINE_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_LINE_WIDTH_AA:
+ return 7.0;
+
+ case PIPE_CAP_MAX_POINT_WIDTH:
+ /* fall-through */
+ case PIPE_CAP_MAX_POINT_WIDTH_AA:
+ /* Keep this to a reasonable size to avoid failures in
+ * conform/pntaa.c:
+ */
+ return 80.0;
+
+ case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
+ return 4.0;
+
+ case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
+ return 16.0;
+
+ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
+ return 16;
+ case PIPE_CAP_NPOT_TEXTURES:
+ return 1;
+ case PIPE_CAP_TWO_SIDED_STENCIL:
+ return 1;
+ case PIPE_CAP_GLSL:
+ return svgascreen->use_ps30 && svgascreen->use_vs30;
+ case PIPE_CAP_ANISOTROPIC_FILTER:
+ return 1;
+ case PIPE_CAP_POINT_SPRITE:
+ return 1;
+ case PIPE_CAP_MAX_RENDER_TARGETS:
+ if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_RENDER_TARGETS, &result))
+ return 1;
+ if(!result.u)
+ return 1;
+ return MIN2(result.u, PIPE_MAX_COLOR_BUFS);
+ case PIPE_CAP_OCCLUSION_QUERY:
+ return 1;
+ case PIPE_CAP_TEXTURE_SHADOW_MAP:
+ return 1;
+ case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+ return SVGA_MAX_TEXTURE_LEVELS;
+ case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+ return 8; /* max 128x128x128 */
+ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
+ return SVGA_MAX_TEXTURE_LEVELS;
+
+ case PIPE_CAP_TEXTURE_MIRROR_REPEAT: /* req. for GL 1.4 */
+ return 1;
+
+ case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */
+ return 1;
+
+ default:
+ return 0;
+ }
+}
+
+
+/* This is a fairly pointless interface
+ */
+static int
+svga_get_param(struct pipe_screen *screen, int param)
+{
+ return (int) svga_get_paramf( screen, param );
+}
+
+
+static INLINE SVGA3dDevCapIndex
+svga_translate_format_cap(enum pipe_format format)
+{
+ switch(format) {
+
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8;
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8;
+
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_R5G6B5;
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5;
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4;
+
+ case PIPE_FORMAT_Z16_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_Z_D16;
+ case PIPE_FORMAT_Z24S8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8;
+
+ case PIPE_FORMAT_A8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_ALPHA8;
+ case PIPE_FORMAT_L8_UNORM:
+ return SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8;
+
+ case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_RGBA:
+ return SVGA3D_DEVCAP_SURFACEFMT_DXT1;
+ case PIPE_FORMAT_DXT3_RGBA:
+ return SVGA3D_DEVCAP_SURFACEFMT_DXT3;
+ case PIPE_FORMAT_DXT5_RGBA:
+ return SVGA3D_DEVCAP_SURFACEFMT_DXT5;
+
+ default:
+ return SVGA3D_DEVCAP_MAX;
+ }
+}
+
+
+static boolean
+svga_is_format_supported( struct pipe_screen *screen,
+ enum pipe_format format,
+ enum pipe_texture_target target,
+ unsigned tex_usage,
+ unsigned geom_flags )
+{
+ struct svga_winsys_screen *sws = svga_screen(screen)->sws;
+ SVGA3dDevCapIndex index;
+ SVGA3dDevCapResult result;
+
+ assert(tex_usage);
+
+ /* Override host capabilities */
+ if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
+ switch(format) {
+
+ /* Often unsupported/problematic. This means we end up with the same
+ * visuals for all virtual hardware implementations.
+ */
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ return FALSE;
+
+ /* Simulate ability to render into compressed textures */
+ case PIPE_FORMAT_DXT1_RGB:
+ case PIPE_FORMAT_DXT1_RGBA:
+ case PIPE_FORMAT_DXT3_RGBA:
+ case PIPE_FORMAT_DXT5_RGBA:
+ return TRUE;
+
+ default:
+ break;
+ }
+ }
+
+ /* Try to query the host */
+ index = svga_translate_format_cap(format);
+ if( index < SVGA3D_DEVCAP_MAX &&
+ sws->get_cap(sws, index, &result) )
+ {
+ SVGA3dSurfaceFormatCaps mask;
+
+ mask.value = 0;
+ if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET)
+ mask.offscreenRenderTarget = 1;
+ if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL)
+ mask.zStencil = 1;
+ if (tex_usage & PIPE_TEXTURE_USAGE_SAMPLER)
+ mask.texture = 1;
+
+ if ((result.u & mask.value) == mask.value)
+ return TRUE;
+ else
+ return FALSE;
+ }
+
+ /* Use our translate functions directly rather than relying on a
+ * duplicated list of supported formats which is prone to getting
+ * out of sync:
+ */
+ if(tex_usage & (PIPE_TEXTURE_USAGE_RENDER_TARGET | PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
+ return svga_translate_format_render(format) != SVGA3D_FORMAT_INVALID;
+ else
+ return svga_translate_format(format) != SVGA3D_FORMAT_INVALID;
+}
+
+
+static void
+svga_fence_reference(struct pipe_screen *screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+ struct svga_winsys_screen *sws = svga_screen(screen)->sws;
+ sws->fence_reference(sws, ptr, fence);
+}
+
+
+static int
+svga_fence_signalled(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ struct svga_winsys_screen *sws = svga_screen(screen)->sws;
+ return sws->fence_signalled(sws, fence, flag);
+}
+
+
+static int
+svga_fence_finish(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence,
+ unsigned flag)
+{
+ struct svga_winsys_screen *sws = svga_screen(screen)->sws;
+ return sws->fence_finish(sws, fence, flag);
+}
+
+
+static void
+svga_destroy_screen( struct pipe_screen *screen )
+{
+ struct svga_screen *svgascreen = svga_screen(screen);
+
+ svga_screen_cache_cleanup(svgascreen);
+
+ pipe_mutex_destroy(svgascreen->swc_mutex);
+ pipe_mutex_destroy(svgascreen->tex_mutex);
+
+ svgascreen->swc->destroy(svgascreen->swc);
+
+ svgascreen->sws->destroy(svgascreen->sws);
+
+ FREE(svgascreen);
+}
+
+
+/**
+ * Create a new svga_screen object
+ */
+struct pipe_screen *
+svga_screen_create(struct svga_winsys_screen *sws)
+{
+ struct svga_screen *svgascreen;
+ struct pipe_screen *screen;
+ SVGA3dDevCapResult result;
+
+#ifdef DEBUG
+ SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 );
+#endif
+
+ svgascreen = CALLOC_STRUCT(svga_screen);
+ if (!svgascreen)
+ goto error1;
+
+ svgascreen->debug.force_level_surface_view =
+ debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE);
+ svgascreen->debug.force_surface_view =
+ debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE);
+ svgascreen->debug.force_sampler_view =
+ debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE);
+ svgascreen->debug.no_surface_view =
+ debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE);
+ svgascreen->debug.no_sampler_view =
+ debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE);
+
+ screen = &svgascreen->screen;
+
+ screen->destroy = svga_destroy_screen;
+ screen->get_name = svga_get_name;
+ screen->get_vendor = svga_get_vendor;
+ screen->get_param = svga_get_param;
+ screen->get_paramf = svga_get_paramf;
+ screen->is_format_supported = svga_is_format_supported;
+ screen->fence_reference = svga_fence_reference;
+ screen->fence_signalled = svga_fence_signalled;
+ screen->fence_finish = svga_fence_finish;
+ svgascreen->sws = sws;
+
+ svga_screen_init_texture_functions(screen);
+ svga_screen_init_buffer_functions(screen);
+
+ svgascreen->use_ps30 =
+ sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) &&
+ result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE;
+
+ svgascreen->use_vs30 =
+ sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) &&
+ result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE;
+
+#if 1
+ /* Shader model 2.0 is unsupported at the moment. */
+ if(!svgascreen->use_ps30 || !svgascreen->use_vs30)
+ goto error2;
+#else
+ if(debug_get_bool_option("SVGA_NO_SM30", FALSE))
+ svgascreen->use_vs30 = svgascreen->use_ps30 = FALSE;
+#endif
+
+ svgascreen->swc = sws->context_create(sws);
+ if(!svgascreen->swc)
+ goto error2;
+
+ pipe_mutex_init(svgascreen->tex_mutex);
+ pipe_mutex_init(svgascreen->swc_mutex);
+
+ LIST_INITHEAD(&svgascreen->cached_buffers);
+
+ svga_screen_cache_init(svgascreen);
+
+ return screen;
+error2:
+ FREE(svgascreen);
+error1:
+ return NULL;
+}
+
+void svga_screen_flush( struct svga_screen *svgascreen,
+ struct pipe_fence_handle **pfence )
+{
+ struct pipe_fence_handle *fence = NULL;
+
+ SVGA_DBG(DEBUG_PERF, "%s\n", __FUNCTION__);
+
+ pipe_mutex_lock(svgascreen->swc_mutex);
+ svgascreen->swc->flush(svgascreen->swc, &fence);
+ pipe_mutex_unlock(svgascreen->swc_mutex);
+
+ svga_screen_cache_flush(svgascreen, fence);
+
+ if(pfence)
+ *pfence = fence;
+ else
+ svgascreen->sws->fence_reference(svgascreen->sws, &fence, NULL);
+}
+
+struct svga_winsys_screen *
+svga_winsys_screen(struct pipe_screen *screen)
+{
+ return svga_screen(screen)->sws;
+}
+
+#ifdef DEBUG
+struct svga_screen *
+svga_screen(struct pipe_screen *screen)
+{
+ assert(screen);
+ assert(screen->destroy == svga_destroy_screen);
+ return (struct svga_screen *)screen;
+}
+#endif