#include "fbobject.h"
#include "formatquery.h"
#include "teximage.h"
+#include "texparam.h"
+#include "texobj.h"
+#include "get.h"
+#include "genmipmap.h"
+#include "shaderimage.h"
+#include "texcompress.h"
+#include "textureview.h"
static bool
_is_renderable(struct gl_context *ctx, GLenum internalformat)
break;
case GL_MAX_COMBINED_DIMENSIONS:
+ /* This value can be a 64-bit value. As the default is the 32-bit query,
+ * we pack 2 32-bit integers. So we need to clean both */
+ buffer[0] = 0;
+ buffer[1] = 0;
+ break;
+
case GL_NUM_SAMPLE_COUNTS:
case GL_INTERNALFORMAT_RED_SIZE:
case GL_INTERNALFORMAT_GREEN_SIZE:
return (buffer[0] == GL_TRUE);
}
+static bool
+_legal_target_for_framebuffer_texture_layer(struct gl_context *ctx,
+ GLenum target)
+{
+ switch (target) {
+ case GL_TEXTURE_3D:
+ case GL_TEXTURE_1D_ARRAY:
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ case GL_TEXTURE_CUBE_MAP:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static GLenum
+_mesa_generic_type_for_internal_format(GLenum internalFormat)
+{
+ if (_mesa_is_enum_format_unsigned_int(internalFormat))
+ return GL_UNSIGNED_BYTE;
+ else if (_mesa_is_enum_format_signed_int(internalFormat))
+ return GL_BYTE;
+ else
+ return GL_FLOAT;
+}
+
/* default implementation of QueryInternalFormat driverfunc, for
* drivers not implementing ARB_internalformat_query2.
*/
GLenum internalFormat, GLenum pname,
GLint *params)
{
- (void) ctx;
(void) target;
- (void) internalFormat;
switch (pname) {
case GL_SAMPLES:
params[0] = internalFormat;
break;
+ case GL_READ_PIXELS_FORMAT: {
+ GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+ switch (base_format) {
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_STENCIL:
+ case GL_RED:
+ case GL_RGB:
+ case GL_BGR:
+ case GL_RGBA:
+ case GL_BGRA:
+ params[0] = base_format;
+ break;
+ default:
+ params[0] = GL_NONE;
+ break;
+ }
+ break;
+ }
+
+ case GL_READ_PIXELS_TYPE:
+ case GL_TEXTURE_IMAGE_TYPE:
+ case GL_GET_TEXTURE_IMAGE_TYPE: {
+ GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+ if (base_format > 0)
+ params[0] = _mesa_generic_type_for_internal_format(internalFormat);
+ else
+ params[0] = GL_NONE;
+ break;
+ }
+
+ case GL_TEXTURE_IMAGE_FORMAT:
+ case GL_GET_TEXTURE_IMAGE_FORMAT: {
+ GLenum format = GL_NONE;
+ GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+ if (base_format > 0) {
+ if (_mesa_is_enum_format_integer(internalFormat))
+ format = _mesa_base_format_to_integer_format(base_format);
+ else
+ format = base_format;
+ }
+
+ params[0] = format;
+ break;
+ }
+
+ case GL_MANUAL_GENERATE_MIPMAP:
+ case GL_AUTO_GENERATE_MIPMAP:
+ case GL_SRGB_READ:
+ case GL_SRGB_WRITE:
+ case GL_SRGB_DECODE_ARB:
+ case GL_VERTEX_TEXTURE:
+ case GL_TESS_CONTROL_TEXTURE:
+ case GL_TESS_EVALUATION_TEXTURE:
+ case GL_GEOMETRY_TEXTURE:
+ case GL_FRAGMENT_TEXTURE:
+ case GL_COMPUTE_TEXTURE:
+ case GL_SHADER_IMAGE_LOAD:
+ case GL_SHADER_IMAGE_STORE:
+ case GL_SHADER_IMAGE_ATOMIC:
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
+ case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
+ case GL_CLEAR_BUFFER:
+ case GL_TEXTURE_VIEW:
+ case GL_TEXTURE_SHADOW:
+ case GL_TEXTURE_GATHER:
+ case GL_TEXTURE_GATHER_SHADOW:
+ case GL_FRAMEBUFFER_RENDERABLE:
+ case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
+ case GL_FRAMEBUFFER_BLEND:
+ case GL_FILTER:
+ params[0] = GL_FULL_SUPPORT;
+ break;
+
default:
_set_default_response(pname, params);
break;
}
}
+/*
+ * For MAX_WIDTH/MAX_HEIGHT/MAX_DEPTH it returns the equivalent GetInteger
+ * pname for a Getinternalformat pname/target combination. target/pname
+ * combinations that would return 0 due dimension number or unsupported status
+ * should be already filtered out
+ *
+ * Note that this means that the returned value would be independent of the
+ * internalformat. This possibility is already mentioned at the Issue 7 of the
+ * arb_internalformat_query2 spec.
+ */
+static GLenum
+equivalentSizePname(GLenum target,
+ GLenum pname)
+{
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ return GL_MAX_TEXTURE_SIZE;
+ case GL_TEXTURE_3D:
+ return GL_MAX_3D_TEXTURE_SIZE;
+ case GL_TEXTURE_CUBE_MAP:
+ return GL_MAX_CUBE_MAP_TEXTURE_SIZE;
+ case GL_TEXTURE_RECTANGLE:
+ return GL_MAX_RECTANGLE_TEXTURE_SIZE;
+ case GL_RENDERBUFFER:
+ return GL_MAX_RENDERBUFFER_SIZE;
+ case GL_TEXTURE_1D_ARRAY:
+ if (pname == GL_MAX_HEIGHT)
+ return GL_MAX_ARRAY_TEXTURE_LAYERS;
+ else
+ return GL_MAX_TEXTURE_SIZE;
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ if (pname == GL_MAX_DEPTH)
+ return GL_MAX_ARRAY_TEXTURE_LAYERS;
+ else
+ return GL_MAX_TEXTURE_SIZE;
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ if (pname == GL_MAX_DEPTH)
+ return GL_MAX_ARRAY_TEXTURE_LAYERS;
+ else
+ return GL_MAX_CUBE_MAP_TEXTURE_SIZE;
+ case GL_TEXTURE_BUFFER:
+ return GL_MAX_TEXTURE_BUFFER_SIZE;
+ default:
+ return 0;
+ }
+}
+
+/*
+ * Returns the dimensions associated to a target. GL_TEXTURE_BUFFER and
+ * GL_RENDERBUFFER have associated a dimension, but they are not textures
+ * per-se, so we can't just call _mesa_get_texture_dimension directly.
+ */
+static GLint
+get_target_dimensions(GLenum target)
+{
+ switch(target) {
+ case GL_TEXTURE_BUFFER:
+ return 1;
+ case GL_RENDERBUFFER:
+ return 2;
+ default:
+ return _mesa_get_texture_dimensions(target);
+ }
+}
+
+/*
+ * Returns the minimum amount of dimensions associated to a pname. So for
+ * example, if querying GL_MAX_HEIGHT, it is assumed that your target would
+ * have as minimum 2 dimensions.
+ *
+ * Useful to handle sentences like this from query2 spec:
+ *
+ * "MAX_HEIGHT:
+ * <skip>
+ * If the resource does not have at least two dimensions
+ * <skip>."
+ */
+static GLint
+get_min_dimensions(GLenum pname)
+{
+ switch(pname) {
+ case GL_MAX_WIDTH:
+ return 1;
+ case GL_MAX_HEIGHT:
+ return 2;
+ case GL_MAX_DEPTH:
+ return 3;
+ default:
+ return 0;
+ }
+}
+
+/*
+ * Similar to teximage.c:check_multisample_target, but independent of the
+ * dimensions.
+ */
+static bool
+is_multisample_target(GLenum target)
+{
+ switch(target) {
+ case GL_TEXTURE_2D_MULTISAMPLE:
+ case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
+ return true;
+ default:
+ return false;
+ }
+
+}
+
void GLAPIENTRY
_mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
GLsizei bufSize, GLint *params)
break;
case GL_INTERNALFORMAT_RED_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_GREEN_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_BLUE_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_ALPHA_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_DEPTH_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_STENCIL_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_SHARED_SIZE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_RED_TYPE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_GREEN_TYPE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_BLUE_TYPE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_ALPHA_TYPE:
- /* @TODO */
- break;
-
case GL_INTERNALFORMAT_DEPTH_TYPE:
- /* @TODO */
- break;
+ case GL_INTERNALFORMAT_STENCIL_TYPE: {
+ GLint baseformat;
+ mesa_format texformat;
- case GL_INTERNALFORMAT_STENCIL_TYPE:
- /* @TODO */
- break;
+ if (target != GL_RENDERBUFFER) {
+ if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, true))
+ goto end;
- case GL_MAX_WIDTH:
- /* @TODO */
+ baseformat = _mesa_base_tex_format(ctx, internalformat);
+ } else {
+ baseformat = _mesa_base_fbo_format(ctx, internalformat);
+ }
+
+ /* Let the driver choose the texture format.
+ *
+ * Disclaimer: I am considering that drivers use for renderbuffers the
+ * same format-choice logic as for textures.
+ */
+ texformat = ctx->Driver.ChooseTextureFormat(ctx, target, internalformat,
+ GL_NONE /*format */, GL_NONE /* type */);
+
+ if (texformat == MESA_FORMAT_NONE || baseformat <= 0)
+ goto end;
+
+ /* Implementation based on what Mesa does for glGetTexLevelParameteriv
+ * and glGetRenderbufferParameteriv functions.
+ */
+ if (pname == GL_INTERNALFORMAT_SHARED_SIZE) {
+ if (_mesa_has_EXT_texture_shared_exponent(ctx) &&
+ target != GL_TEXTURE_BUFFER &&
+ target != GL_RENDERBUFFER &&
+ texformat == MESA_FORMAT_R9G9B9E5_FLOAT) {
+ buffer[0] = 5;
+ }
+ goto end;
+ }
+
+ if (!_mesa_base_format_has_channel(baseformat, pname))
+ goto end;
+
+ switch (pname) {
+ case GL_INTERNALFORMAT_DEPTH_SIZE:
+ if (!_mesa_has_ARB_depth_texture(ctx) &&
+ target != GL_RENDERBUFFER &&
+ target != GL_TEXTURE_BUFFER)
+ goto end;
+ /* fallthrough */
+ case GL_INTERNALFORMAT_RED_SIZE:
+ case GL_INTERNALFORMAT_GREEN_SIZE:
+ case GL_INTERNALFORMAT_BLUE_SIZE:
+ case GL_INTERNALFORMAT_ALPHA_SIZE:
+ case GL_INTERNALFORMAT_STENCIL_SIZE:
+ buffer[0] = _mesa_get_format_bits(texformat, pname);
+ break;
+
+ case GL_INTERNALFORMAT_DEPTH_TYPE:
+ if (!_mesa_has_ARB_texture_float(ctx))
+ goto end;
+ /* fallthrough */
+ case GL_INTERNALFORMAT_RED_TYPE:
+ case GL_INTERNALFORMAT_GREEN_TYPE:
+ case GL_INTERNALFORMAT_BLUE_TYPE:
+ case GL_INTERNALFORMAT_ALPHA_TYPE:
+ case GL_INTERNALFORMAT_STENCIL_TYPE:
+ buffer[0] = _mesa_get_format_datatype(texformat);
+ break;
+
+ default:
+ break;
+
+ }
break;
+ }
+ /* For WIDTH/HEIGHT/DEPTH/LAYERS there is no reason to think that the
+ * returned values should be different to the values returned by
+ * GetInteger with MAX_TEXTURE_SIZE, MAX_3D_TEXTURE_SIZE, etc.*/
+ case GL_MAX_WIDTH:
case GL_MAX_HEIGHT:
- /* @TODO */
- break;
+ case GL_MAX_DEPTH: {
+ GLenum get_pname;
+ GLint dimensions;
+ GLint min_dimensions;
- case GL_MAX_DEPTH:
- /* @TODO */
+ /* From query2:MAX_HEIGHT spec (as example):
+ *
+ * "If the resource does not have at least two dimensions, or if the
+ * resource is unsupported, zero is returned."
+ */
+ dimensions = get_target_dimensions(target);
+ min_dimensions = get_min_dimensions(pname);
+ if (dimensions < min_dimensions)
+ goto end;
+
+ get_pname = equivalentSizePname(target, pname);
+ if (get_pname == 0)
+ goto end;
+
+ _mesa_GetIntegerv(get_pname, buffer);
break;
+ }
case GL_MAX_LAYERS:
- /* @TODO */
- break;
+ if (!_mesa_has_EXT_texture_array(ctx))
+ goto end;
- case GL_MAX_COMBINED_DIMENSIONS:
- /* @TODO */
+ if (!_mesa_is_array_texture(target))
+ goto end;
+
+ _mesa_GetIntegerv(GL_MAX_ARRAY_TEXTURE_LAYERS, buffer);
+ break;
+
+ case GL_MAX_COMBINED_DIMENSIONS:{
+ GLint64 combined_value = 1;
+ GLenum max_dimensions_pnames[] = {
+ GL_MAX_WIDTH,
+ GL_MAX_HEIGHT,
+ GL_MAX_DEPTH,
+ GL_SAMPLES
+ };
+ unsigned i;
+ GLint current_value;
+
+ /* Combining the dimensions. Note that for array targets, this would
+ * automatically include the value of MAX_LAYERS, as that value is
+ * returned as MAX_HEIGHT or MAX_DEPTH */
+ for (i = 0; i < 4; i++) {
+ if (max_dimensions_pnames[i] == GL_SAMPLES &&
+ !is_multisample_target(target))
+ continue;
+
+ _mesa_GetInternalformativ(target, internalformat,
+ max_dimensions_pnames[i],
+ 1, ¤t_value);
+
+ if (current_value != 0)
+ combined_value *= current_value;
+ }
+
+ if (_mesa_is_cube_map_texture(target))
+ combined_value *= 6;
+
+ /* We pack the 64-bit value on two 32-bit values. Calling the 32-bit
+ * query, this would work as far as the value can be hold on a 32-bit
+ * signed integer. For the 64-bit query, the wrapper around the 32-bit
+ * query will unpack the value */
+ memcpy(buffer, &combined_value, sizeof(GLint64));
break;
+ }
case GL_COLOR_COMPONENTS:
- /* @TODO */
+ /* The ARB_internalformat_query2 spec says:
+ *
+ * "- COLOR_COMPONENTS: If the internal format contains any color
+ * components (R, G, B, or A), TRUE is returned in <params>.
+ * If the internal format is unsupported or contains no color
+ * components, FALSE is returned."
+ */
+ if (_mesa_is_color_format(internalformat))
+ buffer[0] = GL_TRUE;
break;
case GL_DEPTH_COMPONENTS:
- /* @TODO */
+ /* The ARB_internalformat_query2 spec says:
+ *
+ * "- DEPTH_COMPONENTS: If the internal format contains a depth
+ * component (D), TRUE is returned in <params>. If the internal format
+ * is unsupported or contains no depth component, FALSE is returned."
+ */
+ if (_mesa_is_depth_format(internalformat) ||
+ _mesa_is_depthstencil_format(internalformat))
+ buffer[0] = GL_TRUE;
break;
case GL_STENCIL_COMPONENTS:
- /* @TODO */
+ /* The ARB_internalformat_query2 spec says:
+ *
+ * "- STENCIL_COMPONENTS: If the internal format contains a stencil
+ * component (S), TRUE is returned in <params>. If the internal format
+ * is unsupported or contains no stencil component, FALSE is returned.
+ */
+ if (_mesa_is_stencil_format(internalformat) ||
+ _mesa_is_depthstencil_format(internalformat))
+ buffer[0] = GL_TRUE;
break;
case GL_COLOR_RENDERABLE:
- /* @TODO */
- break;
-
case GL_DEPTH_RENDERABLE:
- /* @TODO */
- break;
-
case GL_STENCIL_RENDERABLE:
- /* @TODO */
- break;
+ if (!_is_renderable(ctx, internalformat))
+ goto end;
- case GL_FRAMEBUFFER_RENDERABLE:
- /* @TODO */
- break;
+ if (pname == GL_COLOR_RENDERABLE) {
+ if (!_mesa_is_color_format(internalformat))
+ goto end;
+ } else {
+ GLenum baseFormat = _mesa_base_fbo_format(ctx, internalformat);
+ if (baseFormat != GL_DEPTH_STENCIL &&
+ ((pname == GL_DEPTH_RENDERABLE && baseFormat != GL_DEPTH_COMPONENT) ||
+ (pname == GL_STENCIL_RENDERABLE && baseFormat != GL_STENCIL_INDEX)))
+ goto end;
+ }
- case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
- /* @TODO */
+ buffer[0] = GL_TRUE;
break;
+ case GL_FRAMEBUFFER_RENDERABLE_LAYERED:
+ if (!_mesa_has_EXT_texture_array(ctx) ||
+ _legal_target_for_framebuffer_texture_layer(ctx, target))
+ goto end;
+ /* fallthrough */
+ case GL_FRAMEBUFFER_RENDERABLE:
case GL_FRAMEBUFFER_BLEND:
- /* @TODO */
- break;
+ if (!_mesa_has_ARB_framebuffer_object(ctx))
+ goto end;
- case GL_READ_PIXELS:
- /* @TODO */
- break;
+ if (target == GL_TEXTURE_BUFFER ||
+ !_is_renderable(ctx, internalformat))
+ goto end;
- case GL_READ_PIXELS_FORMAT:
- /* @TODO */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
+ case GL_READ_PIXELS:
+ case GL_READ_PIXELS_FORMAT:
case GL_READ_PIXELS_TYPE:
- /* @TODO */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_TEXTURE_IMAGE_FORMAT:
- /* @TODO */
- break;
-
- case GL_TEXTURE_IMAGE_TYPE:
- /* @TODO */
- break;
-
case GL_GET_TEXTURE_IMAGE_FORMAT:
- /* @TODO */
- break;
-
+ case GL_TEXTURE_IMAGE_TYPE:
case GL_GET_TEXTURE_IMAGE_TYPE:
- /* @TODO */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_MIPMAP:
- /* @TODO */
- break;
-
case GL_MANUAL_GENERATE_MIPMAP:
- /* @TODO */
- break;
-
case GL_AUTO_GENERATE_MIPMAP:
- /* @TODO */
+ if (!_mesa_is_valid_generate_texture_mipmap_target(ctx, target) ||
+ !_mesa_is_valid_generate_texture_mipmap_internalformat(ctx,
+ internalformat)) {
+ goto end;
+ }
+
+ if (pname == GL_MIPMAP) {
+ buffer[0] = GL_TRUE;
+ goto end;
+ }
+ else if (pname == GL_MANUAL_GENERATE_MIPMAP) {
+ if (!_mesa_has_ARB_framebuffer_object(ctx))
+ goto end;
+ }
+ else {
+ /* From ARB_internalformat_query2:
+ * "Dependencies on OpenGL 3.2 (Core Profile)
+ * In core profiles for OpenGL 3.2 and later versions, queries
+ * for the AUTO_GENERATE_MIPMAP <pname> return the appropriate
+ * unsupported response."
+ */
+ if (_mesa_is_desktop_gl(ctx) && ctx->Version >= 32)
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_COLOR_ENCODING:
- /* @TODO */
+ if (!_mesa_is_color_format(internalformat))
+ goto end;
+
+ if (_mesa_is_srgb_format(internalformat))
+ buffer[0] = GL_SRGB;
+ else
+ buffer[0] = GL_LINEAR;
break;
case GL_SRGB_READ:
- /* @TODO */
+ if (!_mesa_has_EXT_texture_sRGB(ctx) ||
+ !_mesa_is_srgb_format(internalformat)) {
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_SRGB_WRITE:
- /* @TODO */
+ if (!_mesa_has_EXT_framebuffer_sRGB(ctx) ||
+ !_mesa_is_color_format(internalformat)) {
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_SRGB_DECODE_ARB:
- /* @TODO */
+ /* Presence of EXT_texture_sRGB_decode was already verified */
+ if (!_mesa_has_EXT_texture_sRGB(ctx) ||
+ target == GL_RENDERBUFFER ||
+ !_mesa_is_srgb_format(internalformat)) {
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_FILTER:
- /* @TODO */
- break;
+ /* If it doesn't allow to set sampler parameters then it would not allow
+ * to set a filter different to GL_NEAREST. In practice, this method
+ * only filters out MULTISAMPLE/MULTISAMPLE_ARRAY */
+ if (!_mesa_target_allows_setting_sampler_parameters(target))
+ goto end;
- case GL_VERTEX_TEXTURE:
- /* @TODO */
- break;
+ if (_mesa_is_enum_format_integer(internalformat))
+ goto end;
- case GL_TESS_CONTROL_TEXTURE:
- /* @TODO */
- break;
+ if (target == GL_TEXTURE_BUFFER)
+ goto end;
- case GL_TESS_EVALUATION_TEXTURE:
- /* @TODO */
+ /* At this point we know that multi-texel filtering is supported. We
+ * need to call the driver to know if it is CAVEAT_SUPPORT or
+ * FULL_SUPPORT.
+ */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
+ case GL_VERTEX_TEXTURE:
+ case GL_TESS_CONTROL_TEXTURE:
+ case GL_TESS_EVALUATION_TEXTURE:
case GL_GEOMETRY_TEXTURE:
- /* @TODO */
- break;
-
case GL_FRAGMENT_TEXTURE:
- /* @TODO */
- break;
-
case GL_COMPUTE_TEXTURE:
- /* @TODO */
- break;
+ if (target == GL_RENDERBUFFER)
+ goto end;
- case GL_TEXTURE_SHADOW:
- /* @TODO */
- break;
+ if ((pname == GL_TESS_CONTROL_TEXTURE ||
+ pname == GL_TESS_EVALUATION_TEXTURE) &&
+ !_mesa_has_tessellation(ctx))
+ goto end;
- case GL_TEXTURE_GATHER:
- /* @TODO */
+ if (pname == GL_GEOMETRY_TEXTURE && !_mesa_has_geometry_shaders(ctx))
+ goto end;
+
+ if (pname == GL_COMPUTE_TEXTURE && !_mesa_has_compute_shaders(ctx))
+ goto end;
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
+ case GL_TEXTURE_GATHER:
case GL_TEXTURE_GATHER_SHADOW:
- /* @TODO */
- break;
+ if (!_mesa_has_ARB_texture_gather(ctx))
+ goto end;
- case GL_SHADER_IMAGE_LOAD:
- /* @TODO */
+ /* fallthrough */
+ case GL_TEXTURE_SHADOW:
+ /* Only depth or depth-stencil image formats make sense in shadow
+ samplers */
+ if (pname != GL_TEXTURE_GATHER &&
+ !_mesa_is_depth_format(internalformat) &&
+ !_mesa_is_depthstencil_format(internalformat))
+ goto end;
+
+ /* Validate the target for shadow and gather operations */
+ switch (target) {
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_2D_ARRAY:
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ case GL_TEXTURE_RECTANGLE:
+ break;
+
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY:
+ /* 1D and 1DArray textures are not admitted in gather operations */
+ if (pname != GL_TEXTURE_SHADOW)
+ goto end;
+ break;
+
+ default:
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
+ case GL_SHADER_IMAGE_LOAD:
case GL_SHADER_IMAGE_STORE:
- /* @TODO */
+ if (!_mesa_has_ARB_shader_image_load_store(ctx))
+ goto end;
+
+ /* We call to _mesa_is_shader_image_format_supported
+ * using "internalformat" as parameter, because the
+ * the ARB_internalformat_query2 spec says:
+ * "In this case the <internalformat> is the value of the <format>
+ * parameter that is passed to BindImageTexture."
+ */
+ if (target == GL_RENDERBUFFER ||
+ !_mesa_is_shader_image_format_supported(ctx, internalformat))
+ goto end;
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_SHADER_IMAGE_ATOMIC:
- /* @TODO */
+ if (!_mesa_has_ARB_shader_image_load_store(ctx))
+ goto end;
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
- case GL_IMAGE_TEXEL_SIZE:
- /* @TODO */
+ case GL_IMAGE_TEXEL_SIZE: {
+ mesa_format image_format;
+
+ if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
+ target == GL_RENDERBUFFER)
+ goto end;
+
+ image_format = _mesa_get_shader_image_format(internalformat);
+ if (image_format == MESA_FORMAT_NONE)
+ goto end;
+
+ /* We return bits */
+ buffer[0] = (_mesa_get_format_bytes(image_format) * 8);
break;
+ }
case GL_IMAGE_COMPATIBILITY_CLASS:
- /* @TODO */
- break;
+ if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
+ target == GL_RENDERBUFFER)
+ goto end;
- case GL_IMAGE_PIXEL_FORMAT:
- /* @TODO */
+ buffer[0] = _mesa_get_image_format_class(internalformat);
break;
- case GL_IMAGE_PIXEL_TYPE:
- /* @TODO */
- break;
+ case GL_IMAGE_PIXEL_FORMAT: {
+ GLint base_format;
- case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE:
- /* @TODO */
- break;
+ if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
+ target == GL_RENDERBUFFER ||
+ !_mesa_is_shader_image_format_supported(ctx, internalformat))
+ goto end;
- case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
- /* @TODO */
+ base_format = _mesa_base_tex_format(ctx, internalformat);
+ if (base_format == -1)
+ goto end;
+
+ if (_mesa_is_enum_format_integer(internalformat))
+ buffer[0] = _mesa_base_format_to_integer_format(base_format);
+ else
+ buffer[0] = base_format;
break;
+ }
- case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
- /* @TODO */
+ case GL_IMAGE_PIXEL_TYPE: {
+ mesa_format image_format;
+ GLenum datatype;
+ GLuint comps;
+
+ if (!_mesa_has_ARB_shader_image_load_store(ctx) ||
+ target == GL_RENDERBUFFER)
+ goto end;
+
+ image_format = _mesa_get_shader_image_format(internalformat);
+ if (image_format == MESA_FORMAT_NONE)
+ goto end;
+
+ _mesa_uncompressed_format_to_type_and_comps(image_format, &datatype,
+ &comps);
+ if (!datatype)
+ goto end;
+
+ buffer[0] = datatype;
break;
+ }
+
+ case GL_IMAGE_FORMAT_COMPATIBILITY_TYPE: {
+ if (!_mesa_has_ARB_shader_image_load_store(ctx))
+ goto end;
+
+ if (!_mesa_legal_get_tex_level_parameter_target(ctx, target, true))
+ goto end;
+
+ /* From spec: "Equivalent to calling GetTexParameter with <value> set
+ * to IMAGE_FORMAT_COMPATIBILITY_TYPE."
+ *
+ * GetTexParameter just returns
+ * tex_obj->ImageFormatCompatibilityType. We create a fake tex_obj
+ * just with the purpose of getting the value.
+ */
+ struct gl_texture_object *tex_obj = _mesa_new_texture_object(ctx, 0, target);
+ buffer[0] = tex_obj->ImageFormatCompatibilityType;
+ _mesa_delete_texture_object(ctx, tex_obj);
- case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
- /* @TODO */
break;
+ }
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST:
+ case GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE:
case GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE:
- /* @TODO */
+ if (target == GL_RENDERBUFFER)
+ goto end;
+
+ if (!_mesa_is_depthstencil_format(internalformat)) {
+ if (((pname == GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_TEST ||
+ pname == GL_SIMULTANEOUS_TEXTURE_AND_DEPTH_WRITE) &&
+ !_mesa_is_depth_format(internalformat)) ||
+ ((pname == GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_TEST ||
+ pname == GL_SIMULTANEOUS_TEXTURE_AND_STENCIL_WRITE) &&
+ !_mesa_is_stencil_format(internalformat)))
+ goto end;
+ }
+
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
case GL_TEXTURE_COMPRESSED:
- /* @TODO */
+ buffer[0] = _mesa_is_compressed_format(ctx, internalformat);
break;
case GL_TEXTURE_COMPRESSED_BLOCK_WIDTH:
- /* @TODO */
- break;
-
case GL_TEXTURE_COMPRESSED_BLOCK_HEIGHT:
- /* @TODO */
- break;
+ case GL_TEXTURE_COMPRESSED_BLOCK_SIZE: {
+ mesa_format mesaformat;
+ GLint block_size;
- case GL_TEXTURE_COMPRESSED_BLOCK_SIZE:
- /* @TODO */
+ mesaformat = _mesa_glenum_to_compressed_format(internalformat);
+ if (mesaformat == MESA_FORMAT_NONE)
+ goto end;
+
+ block_size = _mesa_get_format_bytes(mesaformat);
+ assert(block_size > 0);
+
+ if (pname == GL_TEXTURE_COMPRESSED_BLOCK_SIZE) {
+ buffer[0] = block_size;
+ } else {
+ GLuint bwidth, bheight;
+
+ /* Returns the width and height in pixels. We return bytes */
+ _mesa_get_format_block_size(mesaformat, &bwidth, &bheight);
+ assert(bwidth > 0 && bheight > 0);
+
+ if (pname == GL_TEXTURE_COMPRESSED_BLOCK_WIDTH)
+ buffer[0] = block_size / bheight;
+ else
+ buffer[0] = block_size / bwidth;
+ }
break;
+ }
case GL_CLEAR_BUFFER:
- /* @TODO */
- break;
+ if (target != GL_TEXTURE_BUFFER)
+ goto end;
- case GL_TEXTURE_VIEW:
- /* @TODO */
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
break;
+ case GL_TEXTURE_VIEW:
case GL_VIEW_COMPATIBILITY_CLASS:
- /* @TODO */
+ if (!_mesa_has_ARB_texture_view(ctx) ||
+ target == GL_TEXTURE_BUFFER ||
+ target == GL_RENDERBUFFER)
+ goto end;
+
+ if (pname == GL_TEXTURE_VIEW) {
+ ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+ buffer);
+ } else {
+ GLenum view_class = _mesa_texture_view_lookup_view_class(ctx,
+ internalformat);
+ if (view_class == GL_FALSE)
+ goto end;
+
+ buffer[0] = view_class;
+ }
break;
default:
_mesa_GetInternalformati64v(GLenum target, GLenum internalformat,
GLenum pname, GLsizei bufSize, GLint64 *params)
{
+ GLint params32[16];
+ unsigned i;
+ GLsizei realSize = MIN2(bufSize, 16);
+ GLsizei callSize;
+
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
return;
}
- _mesa_debug(ctx, "glGetInternalformati64v() not implemented");
+ /* For SAMPLES there are cases where params needs to remain unmodified. As
+ * no pname can return a negative value, we fill params32 with negative
+ * values as reference values, that can be used to know what copy-back to
+ * params */
+ memset(params32, -1, 16);
+
+ /* For GL_MAX_COMBINED_DIMENSIONS we need to get back 2 32-bit integers,
+ * and at the same time we only need 2. So for that pname, we call the
+ * 32-bit query with bufSize 2, except on the case of bufSize 0, that is
+ * basically like asking to not get the value, but that is a caller
+ * problem. */
+ if (pname == GL_MAX_COMBINED_DIMENSIONS && bufSize > 0)
+ callSize = 2;
+ else
+ callSize = bufSize;
+
+ _mesa_GetInternalformativ(target, internalformat, pname, callSize, params32);
+
+ if (pname == GL_MAX_COMBINED_DIMENSIONS) {
+ memcpy(params, params32, sizeof(GLint64));
+ } else {
+ for (i = 0; i < realSize; i++) {
+ /* We only copy back the values that changed */
+ if (params32[i] < 0)
+ break;
+ params[i] = (GLint64) params32[i];
+ }
+ }
}