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nv2a: Transform surface scissor y-coord by abs. surface height

This commit is contained in:
Matt Borgerson 2021-07-02 03:00:22 -07:00 committed by mborgerson
parent 4716b7b980
commit 315ac1ceaa
1 changed files with 15 additions and 13 deletions
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28
hw/xbox/nv2a/pgraph.c
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@ -2586,22 +2586,23 @@ DEF_METHOD(NV097, SET_BEGIN_END)
//glDisableVertexAttribArray(NV2A_VERTEX_ATTR_DIFFUSE);
//glVertexAttrib4f(NV2A_VERTEX_ATTR_DIFFUSE, 1.0, 1.0, 1.0, 1.0);
unsigned int width, height;
pgraph_get_surface_dimensions(pg, &width, &height);
pgraph_apply_anti_aliasing_factor(pg, &width, &height);
glViewport(0, 0, pg->surface_binding_dim.width, pg->surface_binding_dim.height);
/* Surface clip */
/* FIXME: Consider moving to PSH w/ window clip */
glEnable(GL_SCISSOR_TEST);
int scissor_x = pg->surface_shape.clip_x;
int scissor_y = pg->surface_binding_dim.height - height - pg->surface_shape.clip_y;
assert(scissor_y >= 0);
unsigned int scissor_width = pg->surface_shape.clip_width;
unsigned int scissor_height = pg->surface_shape.clip_height;
unsigned int xmin = pg->surface_shape.clip_x - pg->surface_binding_dim.clip_x,
ymin = pg->surface_shape.clip_y - pg->surface_binding_dim.clip_y;
unsigned int xmax = xmin + pg->surface_shape.clip_width - 1,
ymax = ymin + pg->surface_shape.clip_height - 1;
unsigned int scissor_width = xmax - xmin + 1,
scissor_height = ymax - ymin + 1;
pgraph_apply_anti_aliasing_factor(pg, &xmin, &ymin);
pgraph_apply_anti_aliasing_factor(pg, &scissor_width, &scissor_height);
glScissor(scissor_x, scissor_y, scissor_width, scissor_height);
ymin = pg->surface_binding_dim.height - (ymin + scissor_height);
glEnable(GL_SCISSOR_TEST);
glScissor(xmin, ymin, scissor_width, scissor_height);
pg->inline_elements_length = 0;
pg->inline_array_length = 0;
@ -3618,8 +3619,9 @@ static void pgraph_shader_update_constants(PGRAPHState *pg,
if (binding->surface_size_loc != -1) {
unsigned int aa_width = 1, aa_height = 1;
pgraph_apply_anti_aliasing_factor(pg, &aa_width, &aa_height);
glUniform2f(binding->surface_size_loc, pg->surface_binding_dim.width/aa_width,
pg->surface_binding_dim.height/aa_height);
glUniform2f(binding->surface_size_loc,
pg->surface_binding_dim.width / aa_width,
pg->surface_binding_dim.height / aa_height);
}
if (binding->clip_range_loc != -1) {