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-rw-r--r--mesalib/src/mesa/drivers/dri/swrast/swrast.c1
-rw-r--r--mesalib/src/mesa/main/extensions.c2
-rw-r--r--mesalib/src/mesa/main/teximage.c14
-rw-r--r--mesalib/src/mesa/main/uniform_query.cpp85
-rw-r--r--mesalib/src/mesa/main/uniforms.h4
-rw-r--r--mesalib/src/mesa/program/ir_to_mesa.cpp4
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_texture.c35
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_drawpixels.c24
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c2
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.c84
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.h6
-rw-r--r--mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp28
-rw-r--r--mesalib/src/mesa/state_tracker/st_texture.c3
13 files changed, 132 insertions, 160 deletions
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index 96382718a..b380de307 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -363,6 +363,7 @@ swrast_new_renderbuffer(const struct gl_config *visual, __DRIdrawable *dPriv,
xrb->bpp = 8;
break;
default:
+ free(xrb);
return NULL;
}
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c
index c9638a1af..04435e0c9 100644
--- a/mesalib/src/mesa/main/extensions.c
+++ b/mesalib/src/mesa/main/extensions.c
@@ -298,7 +298,7 @@ static const struct extension extension_table[] = {
{ "GL_ATI_texture_float", o(ARB_texture_float), GL, 2002 },
{ "GL_ATI_texture_mirror_once", o(ATI_texture_mirror_once), GL, 2006 },
{ "GL_IBM_multimode_draw_arrays", o(dummy_true), GL, 1998 },
- { "GL_IBM_rasterpos_clip", o(dummy_true), GL, 1996 },
+ { "GL_IBM_rasterpos_clip", o(dummy_true), GLL, 1996 },
{ "GL_IBM_texture_mirrored_repeat", o(dummy_true), GLL, 1998 },
{ "GL_INGR_blend_func_separate", o(EXT_blend_func_separate), GLL, 1999 },
{ "GL_MESA_pack_invert", o(MESA_pack_invert), GL, 2002 },
diff --git a/mesalib/src/mesa/main/teximage.c b/mesalib/src/mesa/main/teximage.c
index f03e84ad8..ff3c92c5e 100644
--- a/mesalib/src/mesa/main/teximage.c
+++ b/mesalib/src/mesa/main/teximage.c
@@ -3004,8 +3004,18 @@ teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
- texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
- internalFormat, format, type);
+ if (compressed) {
+ /* For glCompressedTexImage() the driver has no choice about the
+ * texture format since we'll never transcode the user's compressed
+ * image data. The internalFormat was error checked earlier.
+ */
+ texFormat = _mesa_glenum_to_compressed_format(internalFormat);
+ }
+ else {
+ texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
+ internalFormat, format, type);
+ }
+
assert(texFormat != MESA_FORMAT_NONE);
/* check that width, height, depth are legal for the mipmap level */
diff --git a/mesalib/src/mesa/main/uniform_query.cpp b/mesalib/src/mesa/main/uniform_query.cpp
index dc550bc43..b8335fe6b 100644
--- a/mesalib/src/mesa/main/uniform_query.cpp
+++ b/mesalib/src/mesa/main/uniform_query.cpp
@@ -929,6 +929,7 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
_mesa_propagate_uniforms_to_driver_storage(uni, offset, count);
}
+
/**
* Called via glGetUniformLocation().
*
@@ -944,73 +945,35 @@ _mesa_get_uniform_location(struct gl_context *ctx,
const GLchar *name,
unsigned *out_offset)
{
- const size_t len = strlen(name);
- long offset;
- bool array_lookup;
- char *name_copy;
-
- /* If the name ends with a ']', assume that it refers to some element of an
- * array. Malformed array references will fail the hash table look up
- * below, so it doesn't matter that they are not caught here. This code
- * only wants to catch the "leaf" array references so that arrays of
- * structures containing arrays will be handled correctly.
+ /* Page 80 (page 94 of the PDF) of the OpenGL 2.1 spec says:
+ *
+ * "The first element of a uniform array is identified using the
+ * name of the uniform array appended with "[0]". Except if the last
+ * part of the string name indicates a uniform array, then the
+ * location of the first element of that array can be retrieved by
+ * either using the name of the uniform array, or the name of the
+ * uniform array appended with "[0]"."
+ *
+ * Note: since uniform names are not allowed to use whitespace, and array
+ * indices within uniform names are not allowed to use "+", "-", or leading
+ * zeros, it follows that each uniform has a unique name up to the possible
+ * ambiguity with "[0]" noted above. Therefore we don't need to worry
+ * about mal-formed inputs--they will properly fail when we try to look up
+ * the uniform name in shProg->UniformHash.
*/
- if (name[len-1] == ']') {
- unsigned i;
-
- /* Walk backwards over the string looking for a non-digit character.
- * This had better be the opening bracket for an array index.
- *
- * Initially, i specifies the location of the ']'. Since the string may
- * contain only the ']' charcater, walk backwards very carefully.
- */
- for (i = len - 1; (i > 0) && isdigit(name[i-1]); --i)
- /* empty */ ;
-
- /* Page 80 (page 94 of the PDF) of the OpenGL 2.1 spec says:
- *
- * "The first element of a uniform array is identified using the
- * name of the uniform array appended with "[0]". Except if the last
- * part of the string name indicates a uniform array, then the
- * location of the first element of that array can be retrieved by
- * either using the name of the uniform array, or the name of the
- * uniform array appended with "[0]"."
- *
- * Page 79 (page 93 of the PDF) of the OpenGL 2.1 spec says:
- *
- * "name must be a null terminated string, without white space."
- *
- * Return an error if there is no opening '[' to match the closing ']'.
- * An error will also be returned if there is intervening white space
- * (or other non-digit characters) before the opening '['.
- */
- if ((i == 0) || name[i-1] != '[')
- return GL_INVALID_INDEX;
- /* Return an error if there are no digits between the opening '[' to
- * match the closing ']'.
- */
- if (i == (len - 1))
- return GL_INVALID_INDEX;
-
- /* Make a new string that is a copy of the old string up to (but not
- * including) the '[' character.
- */
- name_copy = (char *) malloc(i);
- memcpy(name_copy, name, i - 1);
- name_copy[i-1] = '\0';
-
- offset = strtol(&name[i], NULL, 10);
- if (offset < 0) {
- free(name_copy);
- return GL_INVALID_INDEX;
- }
+ const GLchar *base_name_end;
+ long offset = parse_program_resource_name(name, &base_name_end);
+ bool array_lookup = offset >= 0;
+ char *name_copy;
- array_lookup = true;
+ if (array_lookup) {
+ name_copy = (char *) malloc(base_name_end - name + 1);
+ memcpy(name_copy, name, base_name_end - name);
+ name_copy[base_name_end - name] = '\0';
} else {
name_copy = (char *) name;
offset = 0;
- array_lookup = false;
}
unsigned location = 0;
diff --git a/mesalib/src/mesa/main/uniforms.h b/mesalib/src/mesa/main/uniforms.h
index f17503121..a12ad9b36 100644
--- a/mesalib/src/mesa/main/uniforms.h
+++ b/mesalib/src/mesa/main/uniforms.h
@@ -167,6 +167,10 @@ _mesa_GetActiveUniformsiv(GLuint program,
void GLAPIENTRY
_mesa_GetUniformiv(GLhandleARB, GLint, GLint *);
+long
+_mesa_parse_program_resource_name(const GLchar *name,
+ const GLchar **out_base_name_end);
+
unsigned
_mesa_get_uniform_location(struct gl_context *ctx, struct gl_shader_program *shProg,
const GLchar *name, unsigned *offset);
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index cd89171da..ce409eca9 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -2375,7 +2375,7 @@ print_program(struct prog_instruction *mesa_instructions,
}
}
-class add_uniform_to_shader : public uniform_field_visitor {
+class add_uniform_to_shader : public program_resource_visitor {
public:
add_uniform_to_shader(struct gl_shader_program *shader_program,
struct gl_program_parameter_list *params)
@@ -2387,7 +2387,7 @@ public:
void process(ir_variable *var)
{
this->idx = -1;
- this->uniform_field_visitor::process(var);
+ this->program_resource_visitor::process(var);
var->location = this->idx;
}
diff --git a/mesalib/src/mesa/state_tracker/st_atom_texture.c b/mesalib/src/mesa/state_tracker/st_atom_texture.c
index 4b43b2a7d..28327bc14 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_texture.c
@@ -214,7 +214,7 @@ update_single_texture(struct st_context *st,
const struct gl_sampler_object *samp;
struct gl_texture_object *texObj;
struct st_texture_object *stObj;
- enum pipe_format st_view_format;
+ enum pipe_format view_format;
GLboolean retval;
samp = _mesa_get_samplerobj(ctx, texUnit);
@@ -234,32 +234,11 @@ update_single_texture(struct st_context *st,
}
/* Determine the format of the texture sampler view */
- st_view_format = stObj->pt->format;
-
- {
- gl_format texFormat;
- enum pipe_format firstImageFormat;
-
- if (texObj->Target == GL_TEXTURE_BUFFER) {
- texFormat = stObj->base._BufferObjectFormat;
- } else {
- const struct st_texture_image *firstImage =
- st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
- texFormat = firstImage->base.TexFormat;
- }
- firstImageFormat = st_mesa_format_to_pipe_format(texFormat);
- if ((samp->sRGBDecode == GL_SKIP_DECODE_EXT) &&
- (_mesa_get_format_color_encoding(texFormat) == GL_SRGB)) {
- /* Don't do sRGB->RGB conversion. Interpret the texture data as
- * linear values.
- */
- const gl_format linearFormat =
- _mesa_get_srgb_format_linear(texFormat);
- firstImageFormat = st_mesa_format_to_pipe_format(linearFormat);
- }
+ view_format = stObj->pt->format;
- if (firstImageFormat != stObj->pt->format)
- st_view_format = firstImageFormat;
+ /* If sRGB decoding is off, use the linear format */
+ if (samp->sRGBDecode == GL_SKIP_DECODE_EXT) {
+ view_format = util_format_linear(view_format);
}
/* if sampler view has changed dereference it */
@@ -267,7 +246,7 @@ update_single_texture(struct st_context *st,
if (check_sampler_swizzle(stObj->sampler_view,
stObj->base._Swizzle,
stObj->base.DepthMode) ||
- (st_view_format != stObj->sampler_view->format) ||
+ (view_format != stObj->sampler_view->format) ||
stObj->base.BaseLevel != stObj->sampler_view->u.tex.first_level) {
pipe_sampler_view_reference(&stObj->sampler_view, NULL);
}
@@ -275,7 +254,7 @@ update_single_texture(struct st_context *st,
*sampler_view = st_get_texture_sampler_view_from_stobj(stObj, pipe,
samp,
- st_view_format);
+ view_format);
return GL_TRUE;
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
index c944b81f6..26d1923b5 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -489,12 +489,14 @@ make_texture(struct st_context *st,
intFormat = internal_format(ctx, format, type);
baseInternalFormat = _mesa_base_tex_format(ctx, intFormat);
- mformat = st_ChooseTextureFormat_renderable(ctx, intFormat,
- format, type, GL_FALSE);
- assert(mformat);
-
- pipeFormat = st_mesa_format_to_pipe_format(mformat);
- assert(pipeFormat);
+ /* Choose a pixel format for the temp texture which will hold the
+ * image to draw.
+ */
+ pipeFormat = st_choose_format(pipe->screen, intFormat, format, type,
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ FALSE);
+ assert(pipeFormat != PIPE_FORMAT_NONE);
+ mformat = st_pipe_format_to_mesa_format(pipeFormat);
pixels = _mesa_map_pbo_source(ctx, unpack, pixels);
if (!pixels)
@@ -1462,8 +1464,8 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
driver_vp = make_passthrough_vertex_shader(st, GL_FALSE);
if (st->pixel_xfer.pixelmap_enabled) {
- sv[1] = st->pixel_xfer.pixelmap_sampler_view;
- num_sampler_view++;
+ sv[1] = st->pixel_xfer.pixelmap_sampler_view;
+ num_sampler_view++;
}
}
else {
@@ -1499,14 +1501,16 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
if (type == GL_DEPTH) {
texFormat = st_choose_format(screen, GL_DEPTH_COMPONENT,
GL_NONE, GL_NONE, st->internal_target,
- sample_count, PIPE_BIND_DEPTH_STENCIL);
+ sample_count, PIPE_BIND_DEPTH_STENCIL,
+ FALSE);
assert(texFormat != PIPE_FORMAT_NONE);
}
else {
/* default color format */
texFormat = st_choose_format(screen, GL_RGBA,
GL_NONE, GL_NONE, st->internal_target,
- sample_count, PIPE_BIND_SAMPLER_VIEW);
+ sample_count, PIPE_BIND_SAMPLER_VIEW,
+ FALSE);
assert(texFormat != PIPE_FORMAT_NONE);
}
}
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index 3cea2df07..80a440d18 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -597,7 +597,7 @@ decompress_with_blit(struct gl_context * ctx,
/* Find the best match for the format+type combo. */
pipe_format = st_choose_format(pipe->screen, GL_RGBA8, format, type,
- pipe_target, 0, bind);
+ pipe_target, 0, bind, FALSE);
if (pipe_format == PIPE_FORMAT_NONE) {
/* unable to get an rgba format!?! */
_mesa_problem(ctx, "%s: cannot find a supported format", __func__);
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 7ef063953..2169bed89 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1398,18 +1398,25 @@ static const struct format_mapping format_map[] = {
/**
* Return first supported format from the given list.
+ * \param allow_dxt indicates whether it's OK to return a DXT format.
*/
static enum pipe_format
find_supported_format(struct pipe_screen *screen,
const enum pipe_format formats[],
enum pipe_texture_target target,
unsigned sample_count,
- unsigned tex_usage)
+ unsigned tex_usage,
+ boolean allow_dxt)
{
uint i;
for (i = 0; formats[i]; i++) {
if (screen->is_format_supported(screen, formats[i], target,
sample_count, tex_usage)) {
+ if (!allow_dxt && util_format_is_s3tc(formats[i])) {
+ /* we can't return a dxt format, continue searching */
+ continue;
+ }
+
return formats[i];
}
}
@@ -1514,12 +1521,16 @@ find_exact_format(GLint internalFormat, GLenum format, GLenum type)
* \param internalFormat the user value passed to glTexImage2D
* \param target one of PIPE_TEXTURE_x
* \param bindings bitmask of PIPE_BIND_x flags.
+ * \param allow_dxt indicates whether it's OK to return a DXT format. This
+ * only matters when internalFormat names a generic or
+ * specific compressed format. And that should only happen
+ * when we're getting called from gl[Copy]TexImage().
*/
enum pipe_format
st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
GLenum format, GLenum type,
enum pipe_texture_target target, unsigned sample_count,
- unsigned bindings)
+ unsigned bindings, boolean allow_dxt)
{
GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
int i, j;
@@ -1547,7 +1558,8 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
* which is supported by the driver.
*/
return find_supported_format(screen, mapping->pipeFormats,
- target, sample_count, bindings);
+ target, sample_count, bindings,
+ allow_dxt);
}
}
}
@@ -1569,27 +1581,42 @@ st_choose_renderbuffer_format(struct pipe_screen *screen,
usage = PIPE_BIND_DEPTH_STENCIL;
else
usage = PIPE_BIND_RENDER_TARGET;
- return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D,
- sample_count, usage);
+ return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, sample_count, usage, FALSE);
}
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
gl_format
-st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type, GLboolean renderable)
+st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
+ GLint internalFormat,
+ GLenum format, GLenum type)
{
+ const boolean want_renderable =
+ internalFormat == 3 || internalFormat == 4 ||
+ internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+ internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+ internalFormat == GL_BGRA;
struct pipe_screen *screen = st_context(ctx)->pipe->screen;
enum pipe_format pFormat;
- uint bindings;
+ unsigned bindings;
- (void) format;
- (void) type;
+ if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
+ /* We don't do compression for these texture targets because of
+ * difficulty with sub-texture updates on non-block boundaries, etc.
+ * So change the internal format request to an uncompressed format.
+ */
+ internalFormat =
+ _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
+ }
/* GL textures may wind up being render targets, but we don't know
* that in advance. Specify potential render target flags now.
*/
bindings = PIPE_BIND_SAMPLER_VIEW;
- if (renderable) {
+ if (want_renderable) {
if (_mesa_is_depth_or_stencil_format(internalFormat))
bindings |= PIPE_BIND_DEPTH_STENCIL;
else
@@ -1597,12 +1624,13 @@ st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
}
pFormat = st_choose_format(screen, internalFormat, format, type,
- PIPE_TEXTURE_2D, 0, bindings);
+ PIPE_TEXTURE_2D, 0, bindings, ctx->Mesa_DXTn);
if (pFormat == PIPE_FORMAT_NONE) {
/* try choosing format again, this time without render target bindings */
pFormat = st_choose_format(screen, internalFormat, format, type,
- PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ ctx->Mesa_DXTn);
}
if (pFormat == PIPE_FORMAT_NONE) {
@@ -1617,34 +1645,6 @@ st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
/**
* Called via ctx->Driver.ChooseTextureFormat().
*/
-gl_format
-st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
- GLint internalFormat,
- GLenum format, GLenum type)
-{
- boolean want_renderable =
- internalFormat == 3 || internalFormat == 4 ||
- internalFormat == GL_RGB || internalFormat == GL_RGBA ||
- internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
- internalFormat == GL_BGRA;
-
- if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
- /* We don't do compression for these texture targets because of
- * difficulty with sub-texture updates on non-block boundaries, etc.
- * So change the internal format request to an uncompressed format.
- */
- internalFormat =
- _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
- }
-
- return st_ChooseTextureFormat_renderable(ctx, internalFormat,
- format, type, want_renderable);
-}
-
-
-/**
- * Called via ctx->Driver.ChooseTextureFormat().
- */
size_t
st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
int samples[16])
@@ -1661,7 +1661,7 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
/* Set sample counts in descending order. */
for (i = 16; i > 1; i--) {
format = st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
- PIPE_TEXTURE_2D, i, bind);
+ PIPE_TEXTURE_2D, i, bind, FALSE);
if (format != PIPE_FORMAT_NONE) {
samples[num_sample_counts++] = i;
diff --git a/mesalib/src/mesa/state_tracker/st_format.h b/mesalib/src/mesa/state_tracker/st_format.h
index cb6e5bc96..50588d8d4 100644
--- a/mesalib/src/mesa/state_tracker/st_format.h
+++ b/mesalib/src/mesa/state_tracker/st_format.h
@@ -51,17 +51,13 @@ extern enum pipe_format
st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
GLenum format, GLenum type,
enum pipe_texture_target target, unsigned sample_count,
- unsigned bindings);
+ unsigned bindings, boolean allow_dxt);
extern enum pipe_format
st_choose_renderbuffer_format(struct pipe_screen *screen,
GLenum internalFormat, unsigned sample_count);
-gl_format
-st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type, GLboolean renderable);
-
extern gl_format
st_ChooseTextureFormat(struct gl_context * ctx, GLenum target,
GLint internalFormat,
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index c6ac634a2..b3da2016d 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -322,6 +322,7 @@ public:
int glsl_version;
bool native_integers;
+ bool have_sqrt;
variable_storage *find_variable_storage(ir_variable *var);
@@ -1761,13 +1762,18 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
break;
case ir_unop_sqrt:
- /* sqrt(x) = x * rsq(x). */
- emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]);
- emit(ir, TGSI_OPCODE_MUL, result_dst, result_src, op[0]);
- /* For incoming channels <= 0, set the result to 0. */
- op[0].negate = ~op[0].negate;
- emit(ir, TGSI_OPCODE_CMP, result_dst,
- op[0], result_src, st_src_reg_for_float(0.0));
+ if (have_sqrt) {
+ emit_scalar(ir, TGSI_OPCODE_SQRT, result_dst, op[0]);
+ }
+ else {
+ /* sqrt(x) = x * rsq(x). */
+ emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]);
+ emit(ir, TGSI_OPCODE_MUL, result_dst, result_src, op[0]);
+ /* For incoming channels <= 0, set the result to 0. */
+ op[0].negate = ~op[0].negate;
+ emit(ir, TGSI_OPCODE_CMP, result_dst,
+ op[0], result_src, st_src_reg_for_float(0.0));
+ }
break;
case ir_unop_rsq:
emit_scalar(ir, TGSI_OPCODE_RSQ, result_dst, op[0]);
@@ -4956,18 +4962,23 @@ get_mesa_program(struct gl_context *ctx,
bool progress;
struct gl_shader_compiler_options *options =
&ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
+ struct pipe_screen *pscreen = ctx->st->pipe->screen;
+ unsigned ptarget;
switch (shader->Type) {
case GL_VERTEX_SHADER:
target = GL_VERTEX_PROGRAM_ARB;
+ ptarget = PIPE_SHADER_VERTEX;
target_string = "vertex";
break;
case GL_FRAGMENT_SHADER:
target = GL_FRAGMENT_PROGRAM_ARB;
+ ptarget = PIPE_SHADER_FRAGMENT;
target_string = "fragment";
break;
case GL_GEOMETRY_SHADER:
target = GL_GEOMETRY_PROGRAM_NV;
+ ptarget = PIPE_SHADER_GEOMETRY;
target_string = "geometry";
break;
default:
@@ -4989,6 +5000,9 @@ get_mesa_program(struct gl_context *ctx,
v->glsl_version = ctx->Const.GLSLVersion;
v->native_integers = ctx->Const.NativeIntegers;
+ v->have_sqrt = pscreen->get_shader_param(pscreen, ptarget,
+ PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED);
+
_mesa_generate_parameters_list_for_uniforms(shader_program, shader,
prog->Parameters);
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c
index ee4d7622d..584eaa981 100644
--- a/mesalib/src/mesa/state_tracker/st_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_texture.c
@@ -398,7 +398,8 @@ st_create_color_map_texture(struct gl_context *ctx)
/* find an RGBA texture format */
format = st_choose_format(pipe->screen, GL_RGBA, GL_NONE, GL_NONE,
- PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ FALSE);
/* create texture for color map/table */
pt = st_texture_create(st, PIPE_TEXTURE_2D, format, 0,