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use texture swizzle mask for alpha textures

This commit is contained in:
espes 2015-07-13 15:08:57 +10:00
parent 6ffb0ffbd0
commit 7509c1d444
1 changed files with 9 additions and 2 deletions
hw/xbox
nv2a.c

11
hw/xbox/nv2a.c
View File

@ -944,6 +944,7 @@ typedef struct ColorFormatInfo {
GLint gl_internal_format;
GLenum gl_format;
GLenum gl_type;
GLenum swizzle_mask[4];
} ColorFormatInfo;
static const ColorFormatInfo kelvin_color_format_map[66] = {
@ -975,9 +976,9 @@ static const ColorFormatInfo kelvin_color_format_map[66] = {
{2, true, GL_RGB5, GL_RGB, GL_UNSIGNED_SHORT_5_6_5},
[NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_A8R8G8B8] =
{4, true, GL_RGBA8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV},
/* TODO: how do opengl alpha textures work? */
[NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A8] =
{2, false, GL_R8, GL_RED, GL_UNSIGNED_BYTE},
{2, false, GL_R8, GL_RED, GL_UNSIGNED_BYTE,
{GL_ZERO, GL_ZERO, GL_ZERO, GL_RED}},
[NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_X8R8G8B8] =
{4, true, GL_RGB8, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV},
/* TODO: format conversion */
@ -1894,6 +1895,12 @@ static TextureBinding* generate_texture(const TextureShape s,
}
}
if (f.swizzle_mask[0] != 0 || f.swizzle_mask[1] != 0
|| f.swizzle_mask[2] != 0 || f.swizzle_mask[3] != 0) {
glTexParameteriv(gl_target, GL_TEXTURE_SWIZZLE_RGBA,
(const GLint *)f.swizzle_mask);
}
TextureBinding* ret = g_malloc(sizeof(TextureBinding));
ret->gl_target = gl_target;
ret->gl_texture = gl_texture;