#include "pipe/p_screen.h"
#include "pipe/p_format.h"
#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
+#include "state_tracker/drm_driver.h"
#include "util/u_debug.h"
+#include "util/u_format_s3tc.h"
+
+#define MSAA_VISUAL_MAX_SAMPLES 32
+
+#undef false
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_END
DRI_CONF_SECTION_QUALITY
-/* DRI_CONF_FORCE_S3TC_ENABLE(false) */
- DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+ DRI_CONF_FORCE_S3TC_ENABLE("false")
DRI_CONF_PP_CELSHADE(0)
DRI_CONF_PP_NORED(0)
DRI_CONF_PP_NOGREEN(0)
DRI_CONF_PP_JIMENEZMLAA(0, 0, 32)
DRI_CONF_PP_JIMENEZMLAA_COLOR(0, 0, 32)
DRI_CONF_SECTION_END
+
+ DRI_CONF_SECTION_DEBUG
+ DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN("false")
+ DRI_CONF_DISABLE_GLSL_LINE_CONTINUATIONS("false")
+ DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED("false")
+ DRI_CONF_SECTION_END
+
+ DRI_CONF_SECTION_MISCELLANEOUS
+ DRI_CONF_ALWAYS_HAVE_DEPTH_BUFFER("false")
+ DRI_CONF_SECTION_END
DRI_CONF_END;
-static const uint __driNConfigOptions = 9;
+#define false 0
+
+static const uint __driNConfigOptions = 13;
static const __DRIconfig **
-dri_fill_in_modes(struct dri_screen *screen,
- unsigned pixel_bits)
+dri_fill_in_modes(struct dri_screen *screen)
{
+ static const gl_format mesa_formats[3] = {
+ MESA_FORMAT_ARGB8888,
+ MESA_FORMAT_XRGB8888,
+ MESA_FORMAT_RGB565,
+ };
+ static const enum pipe_format pipe_formats[3] = {
+ PIPE_FORMAT_BGRA8888_UNORM,
+ PIPE_FORMAT_BGRX8888_UNORM,
+ PIPE_FORMAT_B5G6R5_UNORM,
+ };
+ gl_format format;
__DRIconfig **configs = NULL;
- __DRIconfig **configs_r5g6b5 = NULL;
- __DRIconfig **configs_a8r8g8b8 = NULL;
- __DRIconfig **configs_x8r8g8b8 = NULL;
uint8_t depth_bits_array[5];
uint8_t stencil_bits_array[5];
- uint8_t msaa_samples_array[5];
unsigned depth_buffer_factor;
- unsigned back_buffer_factor;
- unsigned msaa_samples_factor;
+ unsigned msaa_samples_max;
unsigned i;
struct pipe_screen *p_screen = screen->base.screen;
- boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
- depth_bits_array[0] = 0;
- stencil_bits_array[0] = 0;
- depth_buffer_factor = 1;
+ if (driQueryOptionb(&screen->optionCache, "always_have_depth_buffer")) {
+ /* all visuals will have a depth buffer */
+ depth_buffer_factor = 0;
+ }
+ else {
+ depth_bits_array[0] = 0;
+ stencil_bits_array[0] = 0;
+ depth_buffer_factor = 1;
+ }
+
+ msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS_MASK)
+ ? MSAA_VISUAL_MAX_SAMPLES : 1;
pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
PIPE_TEXTURE_2D, 0,
pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
- pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_RENDER_TARGET);
- pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_RENDER_TARGET);
- pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_RENDER_TARGET);
-
- /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
- if (dri_with_format(screen->sPriv)) {
- pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_DEPTH_STENCIL);
- pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
- PIPE_TEXTURE_2D, 0,
- PIPE_BIND_DEPTH_STENCIL);
- } else {
- pf_z16 = FALSE;
- pf_z32 = FALSE;
- }
+ pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_DEPTH_STENCIL);
+ pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_DEPTH_STENCIL);
if (pf_z16) {
depth_bits_array[depth_buffer_factor] = 16;
stencil_bits_array[depth_buffer_factor++] = 0;
}
- msaa_samples_array[0] = 0;
- back_buffer_factor = 3;
-
- /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */
- if (pf_r5g6b5) {
- msaa_samples_factor = 1;
- for (i = 1; i < 5; i++) {
- if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
- PIPE_TEXTURE_2D, i*2,
- PIPE_BIND_RENDER_TARGET)) {
- msaa_samples_array[msaa_samples_factor] = i * 2;
- msaa_samples_factor++;
+ assert(Elements(mesa_formats) == Elements(pipe_formats));
+
+ /* Add configs. */
+ for (format = 0; format < Elements(mesa_formats); format++) {
+ __DRIconfig **new_configs = NULL;
+ unsigned num_msaa_modes = 0; /* includes a single-sample mode */
+ uint8_t msaa_modes[MSAA_VISUAL_MAX_SAMPLES];
+
+ for (i = 1; i <= msaa_samples_max; i++) {
+ int samples = i > 1 ? i : 0;
+
+ if (p_screen->is_format_supported(p_screen, pipe_formats[format],
+ PIPE_TEXTURE_2D, samples,
+ PIPE_BIND_RENDER_TARGET)) {
+ msaa_modes[num_msaa_modes++] = samples;
}
}
- configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+ if (num_msaa_modes) {
+ /* Single-sample configs with an accumulation buffer. */
+ new_configs = driCreateConfigs(mesa_formats[format],
depth_bits_array, stencil_bits_array,
depth_buffer_factor, back_buffer_modes,
- back_buffer_factor,
- msaa_samples_array, msaa_samples_factor,
+ Elements(back_buffer_modes),
+ msaa_modes, 1,
GL_TRUE);
- }
-
- if (pf_a8r8g8b8) {
- msaa_samples_factor = 1;
- for (i = 1; i < 5; i++) {
- if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_TEXTURE_2D, i*2,
- PIPE_BIND_RENDER_TARGET)) {
- msaa_samples_array[msaa_samples_factor] = i * 2;
- msaa_samples_factor++;
+ configs = driConcatConfigs(configs, new_configs);
+
+ /* Multi-sample configs without an accumulation buffer. */
+ if (num_msaa_modes > 1) {
+ new_configs = driCreateConfigs(mesa_formats[format],
+ depth_bits_array, stencil_bits_array,
+ depth_buffer_factor, back_buffer_modes,
+ Elements(back_buffer_modes),
+ msaa_modes+1, num_msaa_modes-1,
+ GL_FALSE);
+ configs = driConcatConfigs(configs, new_configs);
}
}
-
- configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
- depth_bits_array,
- stencil_bits_array,
- depth_buffer_factor,
- back_buffer_modes,
- back_buffer_factor,
- msaa_samples_array,
- msaa_samples_factor,
- GL_TRUE);
- }
-
- if (pf_x8r8g8b8) {
- msaa_samples_factor = 1;
- for (i = 1; i < 5; i++) {
- if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
- PIPE_TEXTURE_2D, i*2,
- PIPE_BIND_RENDER_TARGET)) {
- msaa_samples_array[msaa_samples_factor] = i * 2;
- msaa_samples_factor++;
- }
- }
-
- configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
- depth_bits_array,
- stencil_bits_array,
- depth_buffer_factor,
- back_buffer_modes,
- back_buffer_factor,
- msaa_samples_array,
- msaa_samples_factor,
- GL_TRUE);
- }
-
- if (pixel_bits == 16) {
- configs = configs_r5g6b5;
- if (configs_a8r8g8b8)
- configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8;
- if (configs_x8r8g8b8)
- configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
- } else {
- configs = configs_a8r8g8b8;
- if (configs_x8r8g8b8)
- configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
- if (configs_r5g6b5)
- configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5;
}
if (configs == NULL) {
return (const __DRIconfig **)configs;
}
+/* The Gallium way to force MSAA. */
+DEBUG_GET_ONCE_NUM_OPTION(msaa, "GALLIUM_MSAA", 0);
+
+/* The NVIDIA way to force MSAA. The same variable is used by the NVIDIA
+ * driver. */
+DEBUG_GET_ONCE_NUM_OPTION(msaa_nv, "__GL_FSAA_MODE", 0);
+
+static void
+dri_force_msaa_visual(struct st_visual *stvis,
+ struct pipe_screen *screen)
+{
+ int i;
+ int samples = debug_get_option_msaa();
+
+ if (!samples)
+ samples = debug_get_option_msaa_nv();
+
+ if (samples <= 1)
+ return; /* nothing to do */
+
+ /* Choose a supported sample count greater than or equal to samples. */
+ for (i = samples; i <= MSAA_VISUAL_MAX_SAMPLES; i++) {
+ if (screen->is_format_supported(screen, stvis->color_format,
+ PIPE_TEXTURE_2D, i,
+ PIPE_BIND_RENDER_TARGET)) {
+ stvis->samples = i;
+ break;
+ }
+ }
+}
+
/**
* Roughly the converse of dri_fill_in_modes.
*/
if (!mode)
return;
- stvis->samples = mode->samples;
-
if (mode->redBits == 8) {
if (mode->alphaBits == 8)
- stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
+ stvis->color_format = PIPE_FORMAT_BGRA8888_UNORM;
else
- stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+ stvis->color_format = PIPE_FORMAT_BGRX8888_UNORM;
} else {
stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
}
+ if (mode->sampleBuffers) {
+ stvis->samples = mode->samples;
+ }
+ else {
+ /* This must be done after stvis->color_format is set. */
+ dri_force_msaa_visual(stvis, screen->base.screen);
+ }
+
switch (mode->depthBits) {
default:
case 0:
if (screen->optionCache.info) {
for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
- FREE(screen->optionCache.info[i].name);
- FREE(screen->optionCache.info[i].ranges);
+ free(screen->optionCache.info[i].name);
+ free(screen->optionCache.info[i].ranges);
}
- FREE(screen->optionCache.info);
+ free(screen->optionCache.info);
}
- FREE(screen->optionCache.values);
+ free(screen->optionCache.values);
}
void
dri_destroy_screen_helper(screen);
- FREE(screen);
+ free(screen);
sPriv->driverPrivate = NULL;
sPriv->extensions = NULL;
}
const __DRIconfig **
dri_init_screen_helper(struct dri_screen *screen,
- struct pipe_screen *pscreen,
- unsigned pixel_bits)
+ struct pipe_screen *pscreen)
{
screen->base.screen = pscreen;
if (!screen->base.screen) {
else
screen->target = PIPE_TEXTURE_RECT;
- driParseOptionInfo(&screen->optionCache,
+ driParseOptionInfo(&screen->optionCacheDefaults,
__driConfigOptions, __driNConfigOptions);
- return dri_fill_in_modes(screen, pixel_bits);
+ driParseConfigFiles(&screen->optionCache,
+ &screen->optionCacheDefaults,
+ screen->sPriv->myNum,
+ driver_descriptor.name);
+
+ /* Handle force_s3tc_enable. */
+ if (!util_format_s3tc_enabled &&
+ driQueryOptionb(&screen->optionCache, "force_s3tc_enable")) {
+ /* Ensure libtxc_dxtn has been loaded if available.
+ * Forcing S3TC on before calling this would prevent loading
+ * the library.
+ * This is just a precaution, the driver should have called it
+ * already.
+ */
+ util_format_s3tc_init();
+
+ util_format_s3tc_enabled = TRUE;
+ }
+
+ return dri_fill_in_modes(screen);
}
/* vim: set sw=3 ts=8 sts=3 expandtab: */